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25% of all knex.com orders from now through September 30, 2017 will be donated to the Red Cross to support those affected by Hurricane Harvey. Click here for more information.

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Robo-Smash

5
Collect & Build Robo-Smash in the Robo-Creatures Series - motorized for exciting mechanical movement!
$15.99

Extreme Sports Building Set

4.9
Cool extreme sports builds - including a hang glider, jet skier, surfer and more! 10 building ideas! 250+ pieces - all Classic K'NEX pieces. Made in USA.
$17.99