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and instructional DVD
Two push blocks with a 3" x 6" foam gripping surface
easy installation and removal
and durable
Drill straight holes all the time
Marble Squad Model Kit HW04-01 and instructional DVDBuild 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
