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Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Activities - Hardcover Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Activities - Hardcover
Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Activities - Hardcover
By Laura Perdew
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The Ocean: Explore a Watery World with Hands-On Science Activities for Kids - Hardcover The Ocean: Explore a Watery World with Hands-On Science Activities for Kids - Hardcover
The Ocean: Explore a Watery World with Hands-On Science Activities for Kids - Hardcover
By Laura Perdew