Made of durable polypropylene.
One side has 11 x 11 pins on 2cm raised grid, other side pins are in an isometric array to allow work with isosceles triangles.
8 boards, 200 colorful rubber bands and a guide per set.
Each set is packed in a colorful box.
Ages 3 and over.
Item Size: 210 x 210 x 185 mm