Design your own super-sized marble raceway! Colorful tubes, chutes and bases connect in different ways for an infinite number of configurations. Learn about the laws of gravity, object permanence, prediction, and cause & effect.
Marbleworks Marble Run products inspire girls AND boys to pursue higher education in the fields of engineering, math and technology.
Made of High Impact Polystyrene, which is durable, impact resistant, and produces a nice glossy look. Includes: Marbleworks® Starter Set, Add-On Set, Crank-It Up and Wild Ride. Colors may vary. BPA Free.
from 5y & up