Lots of busy crazy cars are driving round and round. Where are they all going? What's brought them into town? This sturdy board book has a plastic carrying handle and colorful car-shaped beads on a built-in abacus. As the bouncy rhyming story progresses, kids can move the cars one at a time along the abacus. This introduces the concept of addition, spread by spread. The final spread introduces subtraction as the cars move back to their starting points!
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