K Nex are such a unique building system and this set is no exception.
Build your own K NEXosaurus Rex with classic K'NEX pieces! Includes 200+ pieces and a battery powered motor!
Build the model, switch it on and watch it stomp to life! MADE IN USA
Why Our Experts Love It
The possibilities are truly endless!
Build a car, a airplane, a boat...etc. We love it because it truly gives children a chance to build whatever they can imagine!
K Nex is one of the our favorites...and we know it will be yours too!