Marble Squad Model Kit HW04-01 Two push blocks with a

Two push blocks with a 3" x 6" foam gripping surface

Use this kit to create a one-of-a-kind

and instructional DVD

easy installation and removal

Contemporary tubular bar design with clean lines

Marble Squad Model Kit HW04-01 Two push blocks with aBuild your own working marble roller coaster model made of real wood! This coaster is full of dips and turns with some engineering and physics thrown in. Assembling the Marble Squad Model Kit from Robotime offers an opportunity to understand STEM principles better, learn the basics of engineering and structures of machines, improve motor skills, and develop visual spatial abilities. Once the marble race system is complete, the maker can appreciate the