The SUPER JUMBO WONDER BLOCKS assist children with hand/eye coordination and gross motor skills. Works children's muscles!. Great for large groups of children in classroom and daycare environments. Teaches teamwork and sharing.   It includes 22 pieces, largest piece size is 8"x8"x16", shapes include triangles, squares, rectangles, cylinders, half cylinders and arches.   Comes in primary colors with striped design.   Recommended for children ages 3 and up