William R. Wellnitz
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Books by William R. Wellnitz
Bouncing Eggs: Amazing Science Activities You Can Do At Home
$27.19
Be a Kid Physicist
Out of Stock
Science Magic for Kids: 68 Simple and Safe Experiments
Out of Stock
Science Magic for Kids: 68 Simple & Safe Experiments
Out of Stock
Science in Your Backyard
Out of Stock
Microorganisms in Our World
Out of Stock
Homemade Slime and Rubber Bones!: Awesome Science Activities
Out of Stock
Homemade Slime and Rubber Bones!: Awesome Science Activities
Out of Stock
Genetics Problem Solving Guide
Out of Stock
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