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Description
Simple MachinesJumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through 26 model building exercises, you'll investigate all six classic simple machines ' wheels and axles, levers, pulleys, inclined planes, screws, and wedges ' as well as gears. Start off with simple models to guarantee a firm understanding of the basic principles at play, and then move onto larger, more complex
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 730 reviews
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Product Reviews
★★★★★ 5
Perfect fit and stretch, durable and priced right
Size: 38W x 34L, Color: Tinted Dark Wash
Great pair of jeans for the money! Fit is spot on. They’re durable and comfortable as well, there’s a slight stretch to them making them easy to work and move around. My wife tells me my butt looks good in them too! The selection of colors is very cool. If you’re looking for some budget, slim fit jeans, you’re in the right place!
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Adorable and toddler loves them
Size: 9 Toddler, Color: Pink
Super comfy. Nice material. Worth the price and kids love them
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2024
★★★★★ 5
Pretty shoes
Size: 10 Toddler, Color: Pink
Daughter loves- perfect for family photos
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Reviewed in the United States on November 12, 2025
★★★★★ 5
Comfortable
Size: 10 Toddler, Color: Pink
I bought this for my daughter for our disneyland trip and they were perfect! She lasted all day in them and did not complain about her feet hurting. They are super soft and the perfect flats for toddlers.
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Reviewed in the United States on May 30, 2025
★★★★★ 5
Great shoes for kids
My kid loves these shoes! She says the super comfortable and she wears them all day!
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Reviewed in the United States on May 17, 2025
