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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
4.4 ★★★★★
Based on 1341 reviews
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Product Reviews
★★★★★ 5
LOVE
Style: Tolerance Control Soothing Skin Recovery Cream
I have extremely sensitive skin and this stuff is AMAZING. After being in sun, facial, stripped skin from treatments or products it’s super calming.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Nice products with positive results
I bought Anua toner, trio, and moisturizer. I am in love with these products. They clean your skin really well without leaving residue. They moisturize without leaving your skin oily, and after less than a week of use, I'm already seeing improvement in my skin texture. It really is a good value for the price and how much you use each time. All of this with no irritation.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great for sensitive skin!
Most azelaic acid serum make my skin feel prickly or even a slight burning sensation so I was glad to find this, which has a lower percentage of azelaic acid but also combines CICA. This product does not irritate my sensitive skin and I still get some calming benefits. I use it in place of a toner after washing my face and before other products. It does seem to help calm my rosacea.
Note that this is more soothing than moisturizing so you may still want some sort of barrier cream to use over it at night. It works great under my sunscreen during the day.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Good
Deja la piel hidratada desde su primer uso.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
love it
Love this product. Very light on my skin.
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Reviewed in the United States on May 15, 2026
