{"product_id":"newtons-cradle-steel-balance-balls-stress-relief-toy","title":"Newton's Cradle Steel Balance Balls – Physics Science Toy for Stress Relief","description":"\u003cdiv\u003e\n\u003cp\u003eNewton's Cradle Steel Balance Balls is a compact physics desk toy designed for students, educators, and anyone looking for a tactile way to explore momentum and energy transfer while offering a moment of stress relief. It combines a classic educational demonstration with a calm, hands-on experience.\u003c\/p\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDemonstrates momentum conservation and energy transfer with each swing, useful for desk demonstrations or quick science refreshers.\u003c\/li\u003e \u003cli\u003eDurable construction using solid steel balls, a sturdy plastic base and bracket, and a high-strength fishing line for smooth, reliable motion.\u003c\/li\u003e \u003cli\u003eTwo compact size options (8 × 3 × 9.2 cm and 9 × 3 × 9.3 cm) with base colors available in black or red to fit different spaces and aesthetics.\u003c\/li\u003e \u003cli\u003eTimeless design that blends into workspaces and classrooms, providing a calming, engaging activity during breaks or focus sessions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic base and bracket; solid steel balls; high-strength fishing line\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 8 × 3 × 9.2 cm or 9 × 3 × 9.3 cm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBase Colour:\u003c\/strong\u003e Black or red\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBall Colour:\u003c\/strong\u003e Metallic steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Physics educational toy that demonstrates momentum conservation and energy transfer; suitable for stress relief and classroom demonstrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Actual colour may vary slightly from the image. Size may differ by 1–2 cm due to manual measurement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Generic","offers":[{"title":"Little T Pool","offer_id":46603072110828,"sku":"14:200006153#Little T Pool","price":41.99,"currency_code":"AUD","in_stock":true},{"title":"Cube Pool A","offer_id":46603072176364,"sku":"14:200006152#Cube Pool A","price":40.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/4801\/2268\/files\/S5ce0bd7525b2474bb5b007c23056817bX.webp?v=1751373271","url":"https:\/\/kairosupply.com\/products\/newtons-cradle-steel-balance-balls-stress-relief-toy","provider":"Kairo Supply Co","version":"1.0","type":"link"}