规格：10 对钥匙、10 对卡片（长9× 宽9cm）、2 个布袋 材质：不锈钢、纸
小朋友仔细观察卡片上钥匙的图案并记住每个钥匙的特征，然后凭借对图案的记忆在布袋中找出与之相匹配的钥匙；通过游戏锻炼小朋友的视觉感知、触觉感知和记忆力。
Which key fits in which silhouette? To find this out, there are 3 types of games that all encourage haptic/tactile and visual perception as well as a combination of these. The players carefully compare the features of the keys' shapes using their eyes or hands, and identify the differences.
Contents: 43 pieces.
10 pairs of keys, 10 pairs of cards (9 x 9 cm), 2 sensory sacks, instructions.
