Careful attention to detail brings out an engaging

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The fascination of constructing tricky marble run racetracks is only topped by the high speed and action-packed tricks and stunts of the steel marble

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30 lbs Case Pack: 6 Manufacturer: UGears

Kaleido Gears plains Careful attention to detail bringsKick your creativity into gear! Easily connect 16 cogs and gears to create a mechanical display like you've never seen before. Six larger gears have stickers that create captivating patterns as they spin. Sixteen square base pieces interlock to create 3 D or flat structures that you can even turn into a gear box. Just build the sides, insert one of 22 axles and connect them with gears. Then, set off an amazingly visual chain reaction by turning the