The building is so much fun with the Techno Gears Bionic Bug and Crazy Copter Construction Set. These sets are the perfect way to encourage kids to get involved. Each set includes 80+ colourful construction pieces, a colourful instruction manual, power motor and more! These interchangeable kits include everything your aspiring engineer needs to build their own giant Bionic Bug that moves and scoots across the floor and a Crazy Copter with spinning gears and rotors! The mechanics of these sets include gears and will introduce and let children experience the science of gear ratio. These products align and support STEM (Science, Technology, Engineering and Math standards).