SKU: 16105143790

STEM Mechanics: Gears & Worm Drives Activity Kit

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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4

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Description

STEM Mechanics: Gears & Worm Drives Activity KitWith the STEM Mechanics: Gears & Worm Drives, learn how gears can easily reduce or increase speed, change force. or transfer motion from one position to another. Discover how Worm Drives are used to greatly reduce rotational speed and how screws can convert rotational motion to linear, while greatly increasing force. Build 12 working models such as an experimental crane, a gearbox, a carousel, a helicopter, a screw press and a crane with a rotating

With the STEM Mechanics: Gears & Worm Drives, learn how gears can easily reduce or increase speed, change force. or transfer motion from one position to another. Discover how Worm Drives are used to greatly reduce rotational speed and how screws can convert rotational motion to linear, while greatly increasing force.

Build 12 working models such as an experimental crane, a gearbox, a carousel, a helicopter, a screw press and a crane with a rotating arm. You can find easy-to-follow building instructions for all models either online or in the booklet included. The booklet provides detailed explanations of the different scientific principles applied and incorporates innovative experimental activities for hands-on learning. A Quiz section is also available to challenge your newly acquired knowledge! Conduct thorough experiments and discover:

  • How the handle's position affects force and speed;
  • How the crank's position affects force and speed;
  • How to calculate the mechanical advantage of a screw;
  • What a worm drive is and how to use a ratchet mechanism.
 

Curriculum Connections

Some suggested 4-H Curriculum that pair well with the STEM Mechanics: Gears & Worm Drives are:

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SKU: 16105143790

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suzanne kagan
Natrona Heights, US
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Beautiful glasses. I get many compliments
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Reviewed in the United States on December 4, 2025
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Amazon Customer
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Color: Porcini Tortoise, Size: 52-17-140
Muy buenos les puse mi receta y los uso a diario
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Reviewed in the United States on May 3, 2026
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dionne
Belleville, US
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Glasses
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It’s beautiful I like the glasses wonderful
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Reviewed in the United States on January 14, 2026
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Dina P.
West Palm Beach, US
★★★★★ 1
Glassws are too wide
Color: Dark Tortoise, Size: 54/17/140
Glasses are tood wide. No one have been able to ajust these. Up to now I have not been able to wear them. I don't recommend these.
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Reviewed in the United States on March 29, 2026
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LILIA ROSA CARDENAS NUÑEZ
Louisville, US
★★★★★ 5
divinas mis gafas
Color: Porcini Tortoise, Size: 52-17-140
divinas
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Reviewed in the United States on April 17, 2026

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