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Grow Some Balls Adult Party Game by MDI Australia

Grow Some Balls Adult Party Game by MDI Australia

$9.99
$9.99

Expandable novelty balls that grow up to six times larger over 72 hours when submerged in water. Multi-day gag gift entertainment.

Key Features:

Expands six times original size over 72 hours

Safe expandable polymer material handles dramatic size changes

Multi-day entertainment keeps jokes alive for days

Reusable as stress balls and conversation pieces

Cheeky humor perfect for bachelor parties and gifts

Vendor: MDI Australia
SKU: NV-565-NOATTRIBUTES-SHOP-NONE-55058
Availability: Out Of Stock
Product type: Sex Games, Coupons and Tricks
Please hurry! Only 0 left in stock
Product Description  

Grow Some Balls Adult Party Game by MDI Australia is a water-activated expandable novelty toy that transforms from small spheres into full-sized entertainment over 72 hours. These polymer balls expand up to six times their original size, creating days of anticipation and laughs. It works as a gag gift, desk decoration, or conversation starter for anyone who enjoys interactive novelties.

At a glance
  • Type: Water-activated expandable novelty toy with polymer construction for durability and safety.
  • Material: Safe expandable polymer that absorbs water gradually without breaking down.
  • Expansion: Grows up to six times the original size over a full 72-hour period.
  • Use: Party entertainment, gag gifts, desk decoration, or stress relief once fully expanded.
  • Care: Simply submerge in water and monitor growth daily; reusable and durable for long-term enjoyment.
🚚 Fast, tracked Australian shipping🔒 Plain, discreet packaging & billing✅ Genuine brands, backed by warranty💬 Product & sizing help whenever you need it

Design and build

Grow Some Balls Adult Party Game by MDI Australia is engineered around a simple but effective principle: water absorption creates expansion. The unassuming spheres are crafted from safe expandable polymer, a material chosen for its ability to absorb moisture uniformly and expand without degradation. Unlike standard sex toys, this novelty relies on a mechanical process rather than electronics, making it durable and reusable across multiple cycles.

The 72-hour growth window is deliberately paced to build anticipation rather than deliver instant gratification. Each day brings visible changes, turning what could be a one-time joke into a multi-day event. Once fully expanded, the balls retain their size and can function as stress balls, desk decorations, or party props indefinitely.

Notable features

  • Six-fold expansion: Transforms from compact spheres into impressively sized entertainment that commands attention and sparks conversation.
  • Water-activated growth: No batteries, pumps, or electricity required—simply submerge and let physics take over for three days.
  • Durable polymer construction: Material withstands the dramatic size change without cracking, peeling, or losing integrity.
  • Multi-day entertainment: The slow-burn format keeps the novelty alive far longer than traditional gag gifts.
  • Reusable design: Once expanded, the balls work as stress relievers, conversation pieces, or ongoing party entertainment.

Technical specifications

  • Brand: MDI Australia.
  • Material: Safe expandable polymer that absorbs water uniformly.
  • Starting size: Compact spheres small enough to hold in your hand.
  • Final size: Expands up to six times the original diameter.
  • Expansion time: 72 hours for complete size transformation.
  • Power source: Water-activated; no batteries or electricity needed.
  • Durability: Reusable across multiple water cycles without degradation.

How to get the best from a sex toy

Fill a clear container with room-temperature water and submerge the spheres completely. Place the container where you can check on it daily without disturbing it—a windowsill, desk, or shelf works well. Take photos each day to track the growth; the visual progression heightens the comedy and keeps everyone engaged throughout the 72-hour cycle. This deliberate pacing separates Grow Some Balls from faster-acting novelties like Cum Thru Cock Plugs, which deliver immediate results.

Once fully expanded, remove the balls from water and allow them to air-dry if you plan to store them. They can be re-expanded multiple times by simply submerging them again. Keep them away from extreme heat or direct sunlight, which may degrade the polymer over time. Handle them gently to preserve their surface finish.

Who it suits

This novelty works best for people who enjoy slow-burn humour and appreciate luxury sex toys with a playful twist.

Great if you…
  • Love gag gifts that deliver entertainment over days rather than minutes.
  • Want a desk toy or party prop that sparks genuine conversation and laughs.
  • Enjoy watching anticipation build—the daily growth check becomes part of the fun.
  • Need a gift that stands out from standard novelty items without being inappropriate.
Maybe not if you…
  • Prefer instant gratification over a three-day waiting period.
  • Have limited space for a water container or nowhere to display the expanding balls.
Keep these balls submerged and away from small children or pets; the polymer is non-toxic but not intended for ingestion, and the expanding size poses a choking hazard. Safety first. This information is general in nature only and is not medical or professional advice; it does not account for your individual circumstances. Stop use and seek medical advice if you experience pain, numbness, swelling, discolouration, bleeding or persistent irritation.

Care and storage

Submerge the expanded balls in fresh water weekly if storing them long-term to prevent the polymer drying out and cracking. After each use cycle, allow them to air-dry completely before storing in a cool, dry place away from direct heat or sunlight. Store in an airtight container to prevent dust accumulation. The polymer remains stable indefinitely when kept dry, making these reusable across many expansion cycles.

Want to know more?

Understanding how materials expand and behave under moisture can deepen your appreciation for novelty design. Read our specialist guide on Sex Toys For Pelvic Floor Recovery to explore how different materials and expansion mechanics work across our full product range. This background helps you choose items suited to your needs.

What to expect

by Andrew

The spheres begin noticeably larger by day two, and by day three they reach their full six-times-expanded size. Most people check them multiple times daily, watching the progression become a household or office ritual. The novelty of the slow transformation often outweighs the final size—it's the anticipation that drives the humour, not the result itself.

Once fully expanded, the balls feel firm but slightly pliable. They work well as stress relievers because the polymer gives slightly under pressure without losing shape. Colleagues or guests often pick them up to test the feel, making them excellent conversation starters on a desk or shelf.

First-timers sometimes underestimate how much water is needed to achieve full expansion; use a container large enough that the balls are fully submerged, not just damp. The expansion happens gradually and consistently—you will not see dramatic overnight changes, which is part of the charm. Keep the water fresh if the cycle extends beyond three days.

The balls hold their expanded size indefinitely once removed from water, though storing them dry will eventually cause slight shrinkage. Re-expansion works reliably across multiple cycles, so you can gift them, expand them, store them, and expand them again for future parties or events.

How it compares

Product Entertainment type Setup time Duration Reusable
Grow Some Balls Adult Party Game by MDI Australia Multi-day anticipation and novelty Five minutes (submerge in water) 72 hours plus ongoing use Yes, multiple cycles
Standard gag gift One-time laugh None (ready to use) Minutes No
Interactive party game Active group participation 10–15 minutes 1–2 hours per session Yes, but requires engagement
Desk stress toy Passive tension relief None Ongoing, no time limit Yes, indefinitely

The bottom line

Browse Grow Some Balls Adult Party Game by MDI Australia for a gag gift that actually delivers sustained entertainment. The 72-hour expansion cycle keeps the novelty alive far longer than typical one-joke items, making it perfect for bachelor parties, office desks, or anyone who appreciates interactive humour. Order it from Malechastity.com.au with discreet Australia-wide delivery and enjoy days of anticipation and laughs with every purchase. Body-Safe Materials, Honestly Described.

Shipping Information & Policy  

Malechastity.com.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.
– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.
– Orders may be delivered in separate shipments.
– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm
– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

Refund & Returns Policy  

We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, Maleshastity.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully. 

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.
If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund too.

Frequently Asked Questions

What is Grow some Balls and what type of novelty product is it?
A novelty expandable toy from MDI Australia, Grow some Balls transforms from small polymer spheres into full-sized entertainment when submerged in water. These cheeky gag gifts expand up to six times their original size over 72 hours, creating days of anticipation and laughs.
Do Grow some Balls actually expand significantly when placed in water?
Safe expandable polymer construction allows these spheres to absorb water gradually, swelling to impressive proportions over three days. The dramatic size change creates genuine anticipation as you watch Grow some Balls transform from unassuming spheres into attention-grabbing conversation pieces.
Can Grow some Balls be reused after they reach full expansion size?
Once fully expanded after 72 hours, these polymer spheres work perfectly as stress balls, desk toys, or party games. Grow some Balls maintain their enlarged size and durability, becoming functional conversation pieces that keep delivering laughs long after the initial expansion.
Is the Grow some Balls suitable for office workers who enjoy desk entertainment?
Office jokesters find these expandable spheres perfect for sparking workplace conversations and breaking ice during boring meetings. Party gift buyers shopping for bachelor parties, birthdays, or memorable stocking stuffers also love the cheeky humor and multi-day entertainment value.
Are Australian buyers able to get the Grow some Balls with discrete delivery options?
MaleChastity.com.au ships Grow some Balls discreetly across Australia, making it easy to surprise friends with this expandable entertainment. Perfect timing for upcoming parties or when you need a memorable gift that literally grows on people over time.

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