Builds 3 models one at a time</br>Models That Move</br>Dual power Controller</br>2 Motors</br></br>Product Description</br></br>Stand back -- the Mega Masher is coming through?? preparing the way for other K'NEXcavator vehicles that harvest the valuable?? energy-producing K'NEXite ore Includes new dual-powered controller motor with two motors and K'NEXcavator figure Also includes free Lost Mines comic book Builds 3 models</br><br/>http://www.amazon.com/gp/product/B000OH8RE0