Trestle Tracks Builder Se

Unique marble run with marbles propelled by widening tracks Encourages spatial reasoning, creativity, engineering skills, problem-solving Tracks suspended by hollow stacking cubes Follow guided builds or invent your own structures! Builder set includes 1 catcher, 1 topper, 55 risers, 5 stainless steel marbles, 10 unique tracks, base grid All sets are fully compatible with each other – Collect them all! High-quality materials and construction – Lasting durability Ages: 8+