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Under the Sea : Travel Through an Underwater World and Practice Your Math and Mapping Skills (Hardcover)
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The Merps need your help! Explore their underwater world and help them finish building the castle. Navigate through the spooky shipwreck and watch out for the giant octopus, solving math problems and collecting objects along the way. This bright and busy mapping book provides a fun first look at co-ordinates and map skills. Math activities are combined with an exciting mission, making for an entertaining and educational adventure.