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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
4.5 ★★★★★
Based on 2189 reviews
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Product Reviews
★★★★★ 5
Spectacular buy !!! Look so high end .
Size: 9, Color: Coastal Blue
These shoes are FABULOUS!!!! Gorgeous color and fit perfect . I am a 9 and ordered a 9 . Look so fancy - bought for a baby shower !
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Great
Size: 8, Color: Navy Distressed Denim
These sandals are stylish and comfortable—perfect for everyday wear or vacations. The leather feels soft, and the design looks even better in person. They fit true to size and go well with both dresses and jeans. The only small downside is that they took a couple of days to fully break in, but after that they’re super comfortable. Overall, a great pair of sandals with nice quality and classic style!
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Super cute!
Size: 8, Color: Gold Leaf Marche Embellishment
Love!
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Reviewed in the United States on May 24, 2026
★★★★★ 3
Looks good but squeaks
I love these shoes they fit well and are comfortable, however I find myself not reaching for them since they squeak so loudly! I don’t know if they got wet or what but it’s annoying
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Reviewed in the United States on November 11, 2024
★★★★★ 5
Beautiful shoe
Size: 7, Color: Greentini Sequin, Size: 7, Color: Greentini Sequin
I ordered size 7. I am 6.5-7 and these were barely long enough. Width was perfect and I would say I have wide “duck” feet.haha.
Color is absolutely beautiful. No slip strip is a PLUS. They are very comfortable with all the padding. Sequins seems to be pretty good. I got these at a great price so, I would say great buy for the money.
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Reviewed in the United States on October 6, 2025
