Hape Crazy Rollers Stack Track Wooden Diy Marble Run Set

Kids Can Have Unlimited Hours Of Fun With The Hape Crazy Rollers Stack Track Wooden Diy Marble Run Set. This Diy Marble Track Features Blocks, Tracks, Marbles, And Everything Needed To Create An Ultimate Marble Run Game. Little Ones Can Create The Marble Track In Any Configurations They Want. Roll The Marbles Down The Twists And Tricks Of The Marble Track. Introduce Your Little One To Interesting Physic Principles Such As Potential Energy, Momentum, And Gravity. Set Includes A Ringing Bell, A Spiral Funnel, A Marble Tray, And 12 Dominoes For The Marbles To Pass-Through. . . .