Improves imagination, construction & problem-solving skills Ideal for builders ages 7 & upwards 12 models to build from Instructions included Encourage your children's creativity & imagination with the K'NEX Rad Rides 12 Model Building Set! With over 200 classic K' Nex pieces & sturdy wheels, this building toy is composed of neon colourful plastic rods & connectors that snap together with a simple click! These pieces can be combined together to create 12 different vehicles! K' Nex supports developmental growth of fine motor skills, manual dexterity, & spatial awareness, enabling greater understanding of STEM subjects.