Assemble your very own functional marble roller-coaster with this Mechanical Gears Waterwheel kit from Robotime!

Lock together the pre-cut, numbered plywood pieces as you follow the illustrated instructions and press them from the flat-packed backing.

Once your model is complete, you can enjoy a fully functioning and visually appealing desktop marble run for your enjoyment!

Crank the handle to fire up the gears and watch your waterwheel carry the marbles up to the top, to release them back down the track!

Your Robotime Mechanical Gears Waterwheel kit includes: 238 pieces including 5 x pre-cut wood sheets, wood glue, sandpaper, 10 metal marbles and all the spacers, nuts and shafts required.

Estimated build time: 3-5 hours (rated 4 out of 5 for difficulty).

Recommended for ages 14 and up.

Assembled dimensions: 25.4cm x 23.2cm x 16.5cm

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(5) Kimberly - Verified Customer

Loves that we could find a game that was unique to that sold in stores. We expected a 2 week delivery being regional but received in light speed within a couple of days. Quality packaging also! Thanks for a great shopping experience, higly recommend!! :)...

(5) Jasmine - Verified Customer

Fast postage, great packaging, excellent customer service...

(5) Penny - Verified Customer

Product was exactly as described and the delivery was really quick. Coolthings will now be my go-to site when looking for that gift that is a little bit unique. ...

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amazing product, price, packaging was perfect and delivered on time. Thank you ...

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