Perfect for the classroom, these big, soft, chunky K'Nex pieces can be used by children with varying manipulative skills. This collection builds 22 models from 1:1 correspondence cards. Or kids can create their own creatures using the 225 parts, including 12 eyes, six feet and six ears/wings. Enough pieces for 10-12 children to play at the same time. Large storage tub has snap-on lid. Measures approximately 9.25" x 12.5" x 16.5".