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SI Manufacturing Teacher Demo NFM 10-Bar with Colour Change

Product Number: L0789-00
CAD $49.99
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Large wooden counting frame features 100 plastic beads in red and white on 10 rails (colour change after 5 beads). The upper 5 bars have 5 red beads on the left and the lowest 5 bars have white beads on the left. This reinforces that 100 is composed of two sets of 50. Useful to demonstrate addition and subtraction up to 100. 20"L x 16-1/3"H.
L0789-00

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