Get a Space Rails Marble Roller Coaster for only $79.99 while supplies last in stores at Sam’s Club. This set is currently unavailable for online purchasing. Not a Sam’s Club member yet? Hurry to score a free one-year membership now. Want to learn how to make the most of your membership? Check out our store hacks and shopping tips.

This marble roller coaster set is a STEM toy that helps kids learn about kinetic energy, physics momentum, and more. It’s designed for people ages 5 and up.

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