橡筋可以讓兒童探索，比較，
製作幾何形狀和設計;
比較形狀和尺寸的相似之處;
計數和使用對稱性，周長，區域，分數和角度
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.
Size 尺寸185 x 185 x 185mm
Weight 重量1.28
配件
8 Boards,
200 colorful rubber bands
a guide per set
