説明
商品紹介
Colorful, durable, interlocking Fraction TowerR Cubes are perfect for exploring and comparing fractions! Children learn by building simple, graphic mathematical models that clearly demonstrate fraction relationships. Set of 51 fraction cubes can be used alone or with Deluxe Fraction TowerR Activity Set (LER 2075).
*Ages 6+
(Amazon.co.jpより)
安全警告
小部品があります。誤飲・窒息の危険がありますので、3歳未満のお子様には絶対に与えないでください。対象年齢 :6才以上