Sandra Welzenbach

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Pranklab

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Armor & Animals

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Hack Your Kitchen: Discover a World of Food Fun with Science Buddies

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Gross Science Experiments: 60 Smelly, Scary, Silly Tests To Disgust Your Friends and Family

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Kids vs. Plastic: Ditch the Straw and Find the Pollution Solution to Bottles, Bags, and Other Single-Use Plastics

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This Thing Called Life

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Crayola Out-of-This-World Space Colors

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Dragonflies: Water Angels and Brilliant Bioindicators

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Endangered Animals: And How You Can Help

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