Investigate all the wonders of time and clocks with 40 fascinating projects and experiments, all of which use easy to find supplies and materials.
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Investigate all the wonders of time and clocks with 40 fascinating projects and experiments, all of which use easy to find supplies and materials.
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Add this copy of Simple Experiments in Time (No-Sweat Science) to cart. $40.47, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2007 by Union Square Kids.
