Fat Brain Toys Trestle Tracks Builder Set 73Piece Modular Marble Run Ages 8

A Truly Mesmerizing Marbletrack Experience The Paths Cut Out Of Each Track Widen Almost Imperceptibly From One End To The Other Creating An Invisible Slope That Propels The Marbles Forward Watching Them Go Is Like Magic In Slowmo

Features of Fat Brain Toys Trestle Tracks Builder Set 73Piece Modular Marble Run Ages 8

A Unique Modular Marble Run With Marbles That Roll Slowly And Smoothly | The Paths Cut Out Of Each Track Widen Gradually To Propel The Marbles Forward | Great For Ages 8 And Up; Follow The Included Templates Or Build Your Own Marble Run Design | Encourages Spatial Reasoning, Creativity, Engineering Skills, Problem-Solving, Critical Thinking | 73-Piece Builder Set Includes 1 Catcher, 1 Topper, 55 Risers, 5 Stainless Steel Marbles, 10 Unique Tracks, Base Grid