Scientific Discovery Lab STEM Family Games Mad Mattr is the building

Mad Mattr is the building toy every kid needs

Perfect for short to long range disc games

Get ready for the most exciting Goat game of your life

Take this sleek remote-controlled truck out for a quick spin

they're learning the fundamentals of programming

Scientific Discovery Lab STEM Family Games Mad Mattr is the buildingOver 40 amazing experiments to explore! Each of the unique projects featured in this kit is designed to spark your child's natural curiosity. Each one is imbued with a touch of magic that feels as if it can't be explained. Create a mini tabletop water cycle, complete with rain, rivers, and an ocean. Build a self propelled water fountain, a balloon powered hover disk, and a magnet powered race car. Learn how to create electricity in a tube, how simple