Mastermind Slime Kit

Mastermind Slime Kit is produced by experimenting with hundreds of different recipes. 

Mastermind slime is extremely parent-friendly because if kids leave it on a carpet or couch (which is always where they leave it), then it just dries out after some time and detaches from any surface without leaving any marks.

We have tested Mastermind slime on very furry white carpets and after it dries there are no marks whatsoever!

One Mastermind Slime Kit is enough to make about three tennis balls worth of slime.

The kit has all necessary ingredients and tools you need to make slime.

All ingredients are approved for retail in European Union and they are safe to use and not harmful as long they are used following the instructions and according to their intended purpose.

Add to cart€24

Coming: Mastermind Speaker Kit

Build yourself a speaker to increase the volume of sound coming out of your phone! The speaker also works as a stand for the phone so it can be used to conveniently watch videos or make video calls.

Coming: Mastermind Plant Light Kit

Build yourself an automatically switching plant light to make your houseplants grow faster and bigger.