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This fits your .

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  • Wood

  • Cool 3D wooden puzzles. Nice 4-5 hour wood DIY project. Once you finish your coaster, you can run marbles through it!

  • It is ideal and creative gift to surprise friends, families on Birthday/Anniversary/ Christmas.

  • Great STEM toy designed for adults and teenagers

  • Combination of a puzzle and model wrapped up in a 3-D artwork

  • Gear drive, we believe it is the coolest decoration and could give your inspiration while the ball rolling.

  • ROKR Marble Run Kit 3D Wooden Puzzles Model to Build for Adults Birthday Gift