Gecko Run: Marble Run Trampoline Expansion Pack

"Let’s get hopping on the trampoline! Can you position the trampoline so that the marble flies
really far? Can you bounce it downward or catapult it to a higher track? See the physics of projectile motion, elastic collision, and trajectory in action.
• Add some bounce action to your Gecko Run
• Watch the marbles flip in wild directions
• Cool extra: Two additional track"