


Pulley Demonstration SetComprehensive Demonstration Set: The Pulley Demonstration Set is crafted to effectively illustrate the principles of simple machines, aiding students in understanding concepts like mechanical advantage, fixed and movable pulleys, and more. Educational Tool Kit: This set includes a wooden base (81 x 20 cm) with capstans, sockets, and an eye hook. It comes with rods, collars with hooks, right angled clamps, a wheel axle, a bar for tightening vertical
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- Express: 1-2 business days
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★★★★★ 5
Wonderful piece of jewelry
Color: rose gold
Beautiful piece, larger than expected. Thought this was going to be very dainty, but it is very, very nice.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Good
Color: Silver
This is very good quality and I love the silver color, just exactly what I was looking for. The size is good. Very comfortable and it doesn’t weight too much. Very easy to use as well
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Reviewed in the United States on April 20, 2026
★★★★★ 5
It was exactly what was ordered and very timely.
Color: Gold+Silver
Very pleased.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
Very pretty but not too flashy.
Size: 8 in
This bracelet is well made and good for everyday wear. I put it on as soon as I received it and haven’t taken it off since. It doesn’t snag on anything and is well worth the investment.
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Reviewed in the United States on December 13, 2025
★★★★★ 5
This ring is for any age. Cute.
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