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With this educational kit, young environmental detectives can look closely at the "evidence" all around them in their natural world. Children can test for acid rain, make an ant farm, or start a mini-compost pile, but, most importantly, learn that they can make a difference. The kit includes tweezers, water tester, pH paper, badge, and more.

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The Environmental Detective 1991, HarperCollins Publishers

ISBN-13: 9780061074080

Hardcover