Relevant Play & Mad Mattr Dough FAQ

How do I order Mad Mattr and other items?

Thank you for your interest in Mad Mattr and our other products. You can find our toys in small and large retailers across the United States and other countries. Our products are also available for purchase on our website and popular online retailers, including Click here to visit the Relevant Play Amazon store.

My dog ate one of your compounds (Mad Mattr, Kinetic Sand and Shape It!), do I need to take him/her to the vet?

If you are unsure how much your pet has consumed, or are concerned for your pet's safety, we suggest consulting with your vet. We do not test our products on animals.

My Mad Mattr is not flowing like the videos and is crumbly, is it old?

Getting Mad Mattr to flow, like in our videos, takes practice. As the compound becomes warmer in your hand, it will be easier to make it flow.

Where can I find Mad Mattr in (Canada, Pakistan, Sweden etc.)?

Please reach out to and our International team will be in touch.

Does Mad Mattr contain or is produced in a facility with (soy, corn, latex, milk, wheat, nuts)?

While Mad Mattr and other compounds are wheat, gluten, and casein free, we cannot confirm if the factory location is nut-free.

Do I need to seal my Kinetic Sand or Mad Mattr in an air-tight container?

While our compounds do not dry out, even if left out for a long time, we do suggest storing our compounds in a clean, sealed container, to keep out dirt and dust.

Can I buy the Brick Maker by itself?

At this time, the Ultimate Brick Maker is not available as a single purchase.

Can I buy Mad Mattr or Kinetic sand in bulk?

While we do not sell our compounds in bulk, we do understand that there are some special circumstances. Please reach out to and your inquiry will be reviewed.

What is Mad Mattr made of?

This is a secret, but our Mad Mattr is non-toxic and wheat, gluten, and casein free.

My child is allergic to gluten, are your compounds safe for them to play with?

Yes, Kinetic Sand, Mad Mattr and Shape it! are wheat, casein and gluten free products. The products are completely safe and non-toxic. If your child develops an irritation or rash, we recommend that you discontinue use and check with a physician.


Domestically, we ship to the 50 U.S. States, the District of Columbia, and Puerto Rico. We strive to get your purchase to you as quickly as possible. Most orders shipping within the continental U.S. arrive within 3 to 7 business days of successful payment processing. Please allow more time for personalized items and for orders shipping to Alaska, Hawaii, Puerto Rico, P.O. boxes, and APO/FPO addresses. We do not ship to freight forwarder addresses.

The cost for shipping is determined by the value of your shipment, whether you are shipping outside the continental U.S. and whether your shipment includes any oversized items. Please see your shopping cart for the shipping charges for your order.

Return Policy

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return questions at

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.


The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


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