Enjoy this K’NEX building set wih it’s fully customizable figures and structures. It contains 255 classic K’NEX pieces, it also includes a battery-powered motor that can bring some of your K’NEX pieces to life! Worried you don’t know where to start? Don’t worry it comes with an easy-to-follow instruction manual that’ll help you to create your first masterpieces. Requires 2 “AA” batteries, which are not included. Recommended for children aged 7 and up. Age: 7+ Product Dimensions: 38.1 x 27.9 x 5.1 cm