First Math Slide and See Subtracting

$14.99 USD
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A brand new series of interactive board books to make it easier for children to learn math skills. Slide the simple mechanisms and see the picture change to show the result of the additions and subtractions, making math visual, concrete, and easy to understand!

Age          3+

Size          7 3/4 x 8 1/4

Pages      10

Author      Sam Taplin, Hannah Watson