Speed Play is a revolutionary new way to play within the Erector product universe. Using a special fastening system, kids can assemble projects faster, easier and more creatively than ever before. <p>The Erector T-Rex is fully compatible with all classic Erector sets (sold separately). Set builds four different models: T-Rex, plane, snowmobile and superhero car. Contains more than 400 parts, including a 4.5-Volt motor and a dual-function building tool that doubles to power each model.</p>
