{"catalog_name":"World Products","variant":"c","item":{"handle":"m4x-10001039984","title":"Visual Demonstration Maxwell's Wheel Long-Lasting Metal Construction Rolling Pendulum Stable Base Science Teaching Aid Rust-Proof Finish for Students, Science Fair Project","category":"Curated goods","category_name":null,"category_gid":null,"product_type":null,"vendor":"World Products","price":"$5.70","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"dcd-30002743078","barcode":null,"variant_title":"Rolling Pendulum","selected_options":{"Style":"Rolling Pendulum"},"description":"Educational Purpose: This professional-grade educational equipment is designed to demonstrate the conversion between gravitational potential energy and kinetic energy in a clear, visual manner.Scientific Principle: Serving as a classic science teaching aid, it allows students to observe the conservation of mechanical energy as the wheel rolls up and down the supporting strings.Sturdy Construction: This mechanics demonstrator features a thickened metal crossbeam and solid metal pillars to ensure the frame remains stable and non-deforming during repeated classroom use.Enhanced Performance: The weighted Maxwell's wheel provides greater potential energy for more dramatic demonstrations, making it easier for large groups of students to see the physical laws in action.Long-Lasting Finish: The rolling pendulum is mounted on a heavy-duty metal base with a professional rust-proof baked paint finish, ensuring long-lasting durability for science fairs and home schooling.","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/278ed6f0-aba0-4b77-8383-3a4a3d0ef42f.jpg?v=1787375327","href":"/product/m4x-10001039984.html","buy_url":"https://uecyem-u1.myshopify.com/products/m4x-10001039984","buy_url_source":"shops.shop_domain + product.handle","seller_name":"uecyem-u1.myshopify.com","seller_url":"https://uecyem-u1.myshopify.com/","return_policy_url":"https://uecyem-u1.myshopify.com/policies/refund-policy","media":[{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/278ed6f0-aba0-4b77-8383-3a4a3d0ef42f.jpg?v=1787375327","alt":null,"position":0},{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/278ed6f0-aba0-4b77-8383-3a4a3d0ef42f_f5f19dc5-7b66-40fd-a752-52b48352865f.jpg?v=1787391437","alt":null,"position":1},{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/278ed6f0-aba0-4b77-8383-3a4a3d0ef42f_92dada63-131a-4806-b5c5-72914eeb3afc.jpg?v=1787541731","alt":null,"position":2}],"related":[{"handle":"wp-dcd-10001162353","title":"Cat Scratcher Sofa Throughout the Year Cat Scratching Lounge Built-Built-in Play Feature for Indoor","category":"玩具","price":"$4.15","image_url":null,"sku":null,"href":"/product/wp-dcd-10001162353.html"},{"handle":"wp-dcd-10001159221","title":"Curved Beard Grooming Protector Compact Beard Guard Glossy for Washroom","category":"个护","price":"$1.88","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/de5b6a52-168f-4cc4-9b3c-43598ec76d69.jpg?v=1787649493","sku":null,"href":"/product/wp-dcd-10001159221.html"},{"handle":"wp-dcd-10001161409","title":"Kayak Hauling Trolley Sand Suitable for Paddleboard Hauling Trolley Easy to Pull","category":"户外","price":"$18.47","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/54d6c0c7-8280-49ca-90d2-efda0163e098.jpg?v=1786027333","sku":null,"href":"/product/wp-dcd-10001161409.html"},{"handle":"vintage-plaid-knot-front-smocked-high-waist-midi-dress-red","title":"Vintage Plaid Knot Front Smocked High Waist Midi Dress – Red","category":"Midi Dresses","price":"$35.99","image_url":"https://cdn.shopify.com/s/files/1/0560/7283/1181/files/87684c0eb8d711e3.jpg?v=1788080949","sku":"LC6129976-P322-XL","href":"/product/vintage-plaid-knot-front-smocked-high-waist-midi-dress-red.html"}]}}