Gear up for action with this bumper constriuction set: · Ideal for nurseries, day cares, preschools, and after school programs · Children create a structure by assembling the easy to use squares and triangles · Gears are added by simply pushing them into place. They ingeniously mesh together either on a flat surface or at an angle of 90 degrees. Once connected, just turn one gear and see the rest of them rotate! · A must for all early years and special needs environments · Contains 58 pieces: 24 squares, 4 equilateral triangles, 10 gear squares, and 20 gears in 4 colors · Squares measure 8.27" x 8.27". The large and chunky pieces enable children to easily constuct really large models. · Pieces are lightweight and durable · Use indoors or outdoors · Textured surfaces make the shapes very tactile · Includes braille · Helps children understand spatial awareness · Connection is simple and easy to do