ThinkFun Gravity Maze Marble Run Brain Game and STEM Toy Only $17.99! (Reg. $30)

Amazon has the ThinkFun Gravity Maze Marble Run Brain Game and STEM Toy for only $17.99! (Reg. $30) 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.  Keep in mind, Amazon pricing can change at any time! Don’t wait to purchase this deal or it might be gone when you come back!