5X5雙面釘板
With these geoboards and rubber bands kids can explore, compare, make geometric shapes and designs; compare similarities and differences of shape and size; count and work with symmetry, congruence, perimeter, area, fractions and angles. This geoboard is made of durable polypropylene.
One side has 5 x 5 pin array, the other side has a 12 pin circular arrangement.
8 Boards, 200 colorful rubber bands and a guide per set