The Power & Play Motorized Building Set comes with a motor, 50 unique building ideas and a reuseable storage box! Use the included full-color instructions to construct models that really move such as, cars, planes, robots and more, or use your imagination to create your own exciting models. Over 530 classic made-in-the-USA pieces are included in this set. Most models can be built one at a time. Suggested retail price is $49.99. Ages 7+. Available Fall 2017 on knex.com and at toy retailers nationwide.