Gecko Run: Marble Run 2 inches x 4.8 x 11.2 inches, Light Blue
A quick wipe with a microfiber cloth will keep your pads ready for action! Can you position the trampoline so that the marble flies really far?. See the physics of projectile motion, elastic collision, and trajectory in action.
Gecko Run Marble Deluxe Starter Set by 6.1 cm x 37.6 x 29.5 cm, White
A quick wipe with a microfiber cloth will keep your pads ready for action! Witness physics in action!