Geofix kits come with four different geometric shapes (square, triangle, pentagon and hexagon) that clip together along their edges using a patented design. The colorful shapes are infinitely compatible, limited only by imagination. Made of crystal fluorescent polycarbonate, Geofix is compact, light and ideal for small children's hands (the pieces are between 1/4 inch to 2 1/2inches in size). Each with a tray to keep pieces organized when not in play. For ages 4 to 104! Information on how to place your order by fax or by telephone. Product Number: NGX302C