Uploaded June 2014 | Updated September 2026, 1 hour ago

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Back from Extinction - K'NEXOSAURUS Rex comes alive! Includes 200+ classic K'NEX pieces and a battery powered motor. Switch it on and watch him stomp to life! With the parts included you can also build an incredible second model, the Megasaurus. Perfect for builders ages 7+. Batteries not included. knex.com/shop/17819/osaurus-rex