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"Marble Squad" Cog Coaster Mechanical Wooden Marble Run Kit | Rokr

Was: USD$39.99
Now: USD$21.99
Availability:
In Stock. Ships Same-Day Or Next Business Day
Wooden Pieces:
233
Assembled Size:
25 x 23 x 16.5cm (10 x 9 x 6.5 inches)
Assembly Time:
4 ~ 8 hours

***Watch video below!***

Based on real-life lift coaster, Marble Run series will excite your imagination and creativity while building the mechanism. Rotate the crank and watch marbles go crazy down the slopes and turns!

This is a DIY kit that requires your hands-on work to complete. The whole set is well designed, with tight tolerances and good machining. The interlocking mechanisms are cleverly designed so no glue is needed! Details are already cut and ready to assemble.

Full of elaborate mechanisms and small tricks. The precise gear design provides smooth transmission speed ratio. You can also learn the fundamentals of engineering and structures of machines.

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