Build it, take it apart, put it back together, mix and match the parts; there are tons of ways to play with the Machine Maker Monster Force ™ Trucks! Use the included tool to take it apart and activate the different features. Each set contains at least 10 pieces that indluces a figure, screwdriver, and the machine parts to build up your monster truck. Combine with other sets to make you own crazy new machines, it’s STEM based play at its best!