Write on, wipe off ... and let the learning begin again Multiply your math skills Kids can master multiplication by completing the equations on each colorful write-on wipe-off card. Just one quick sweep of the pens eraser and the marks are gone, so youre ready to practice again. Because the cards are color coded to indicate difficulty, kids can work their way up as they master harder and harder problems. The pack includes 40 cards, plus a pen.
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