A great visual, self-checking, and hands-on device reinforcing number sense, and composing/decomposing numbers from 1-10.The removable pressure cap lets the users adjust the number of quiet balls inside (with adult supervision). Free activities can be downloaded from the QR code below. 4 pieces per set. Each bear measures 13.5 x 6.5 x 1.2cm (5.5 x 2.5 x 0.5 inches) Ages 3+. Grades 1+
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