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STEM Toy to help kids learn about kinetic energy physics momentum and more. Designed for Kids 5-teens and beyond. Many adults continue to play with this marble roller coaster. Perfect for home schooling. Ideal for hands on learning with concepts in the principles of physics. An established learning tool for 40 years. A quality make and brand name you can trust. 21 levels of excitement to choose from. Buy one level or try them all with our easy kits. Some levels glow in the dark! This Beginner Level SpaceRail is a build it yourself Marble Rollercoaster. Build your Space Rail with the pre written instructions or design your own! With endless possibilities and hours of fun this Marble Rollercoaster will spark the minds of young children and even matured adults. Create fun filled family memories and build a SpaceRail together. The SpaceRail game is a Marble Roller Coaster that has been also called space warp space rails and several other names. This game currently has 14 levels and some are glow in the dark!