Trusted by Families Worldwide - With over 50 million sold, ThinkFun is the world's leading manufacturer of brain games and mind challenging puzzles Develops critical skills – Playing your way through the challenges builds spatial reasoning and planning skills, and is partly an engineering and building toy that provides a great stealth learning experience for young players What you get – Gravity Maze is a combination logic game, marble run, and STEM toy that's one of the best gifts you can buy
