{"product_id":"planetary-gear-construction-kit","title":"Planetary Gear Construction Kit","description":"Mechanical educational kit to assemble. Also known as epicyclic gear train, this tabletop model demonstrates the essence of planetary gears, used as speed reducers, slowing down motors and increasing torque. This mechanism can be found in mechanical pencil sharpeners. It's a perfect STEAM project to teach students how gears work.\u003cbr\u003eProduct Type: Blocks \u0026amp; Construction Play\u003cbr\u003eRecommended Grade: Grade 8+\u003cbr\u003eRecommended Age: 14+ Years\u003cbr\u003e GRP:ERGO","brand":"Ewa Eco-wood-art","offers":[{"title":"Default Title","offer_id":45602105229544,"sku":"er_AVRAV0523208","price":51.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/5379\/2308\/products\/ad3a42c2b91c77e7f31b6e813f212ece0ae93144.jpg?v=1710503448","url":"https:\/\/www.shelhealth.com\/products\/planetary-gear-construction-kit","provider":"ShelHealth","version":"1.0","type":"link"}