A super value for a wonderful assortment of K'NEX parts and building options.
Models start from simple flat shapes then grow to challenging, fun constructions.
You'll love the movement. Fun Tub A great value that builds 25 models and includes a sturdy storage tub. You won't want to put this set down. Build 50 seriously awesome models, with Battery powered motor to make them move. Panels and all other K'NEX parts included for maximum building possibilities in one set.