Discovery Suspension Marble Run - 113 Pieces

Get ready for some hands-on learning with the Discovery Suspension Marble Run! This 113-piece DIY action track system lets you build an exciting multi-tiered marble run with over 25 feet of twisting and turning track. It's a fun way to learn about engineering and the principles of velocity, gravity, and acceleration. Includes the marble run kit, 8 marbles, and a detailed instruction manual