Make even more creative designs possible by expanding with any of the compatible Hape railway sets or other leading wooden train set brands. This wooden expansion pack includes 24 pieces with a...

With the Gecko Run: Loop Expansion Pack, you can bring even more speed, action, and experimental fun to your Gecko Run marble run. How much speed does the marble need to race perfectly...

Get hopping with the Gecko Run: Trampoline Expansion Pack! Can you position the trampoline so that the marble flies really far? Can you even bounce it downward, or catapult it up to a...

With the Gecko Run: Snake Expansion Pack, you can send your marbles through a maze of sharp curves and see how it affects their speed. But watch out: only if you place the snake correctly in your...