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the child further explores column addition and experiences the mechanism of "carrying
Helps develop awareness of gradations
5 sets of 1-9 coloured bead stairs
8 cm x 1 cm
Phillips-Head Screw Set pencil-holder the child further explores columnThis set contains a wooden block and four screws which thread into permanently fixed, threaded receptacles. The board also has two insets, one for holding the screwdriver and another for holding the screws once they've been removed. The supplied screwdriver is lightweight, and has a textured handle for a sturdy grip. The screws can also be used with a standard (i. e. slot head) screwdriver (not supplied). This set lets students practice the action of
US$ 134.50
US$ 179.00
US$ 734.50
US$ 137.95
