SpaceRail Level 4.2 Glow in the Dark 22,000mm Rail, Roller Coaster Building Set, Marble Roller Coaster Kit with Steel Balls, Great Educational Toy for Boys and
$19.99
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Description
Description
SpaceRails became an instant hit as a STEM toy that challenged all ages. Level 1 may take you around 30 minutes to assemble, level 9 could take you a few weeks. Once you understand it, you can start to create your own designs.