The exciting sequel to the popular LEGO Gadgets and LEGO Chain Reactions. Build your own kinetic sculptures in this fun kit. All the LEGO elements are included, so you can build frames with axles and crankshafts that provide different functions like spinning or turning back and forth. Add paper-craft characters to the build and watch your new friend come to life! The non-fiction STEM content links the builds to real-life robotics and mechanical engineer applications.