Encourage your children's creativity, and imagination with the K'NEX Rad Rides 12 Model Building Set! With over 200 classic K'NEX pieces and sturdy wheels, this building toy is composed of neon colourful plastic rods and connectors that snap together with a simple "click"! These pieces can be combined together to create 12 different vehicles. The included instruction sheet guides your little engineers in constructing truly amazing creations. The K'NEX 12 Model Building Set also fosters growth by strengthening hand-eye coordination, fine motor skills, problem-solving skills, and spatial awareness, all while putting them on a path towards a greater understanding of STEM subjects.