{"product_id":"stem-inventions-large-plastic-wheels-axles-for-mousetrap-rubber-band-cars-20-wheels-20-bands-10-dowels","title":"STEM Inventions Large Plastic Wheels \u0026 Axles for Mousetrap \u0026 Rubber Band Cars – 20 Wheels, 20 Bands, 10 Dowels","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eStimulate hands-on learning with the STEM Inventions Large Plastic Toy Project Wheels and Axles set. Sized for classroom and home experiments, these parts are designed for rubber band-powered vehicles and mousetrap cars, offering reliable, repeatable motion without relying on fragile or hard-to-find components.\u003c\/p\u003e\n\u003cp\u003eDesigned for curiosity and practical problem solving, the set helps students and hobbyists explore concepts like traction, gearing, and alignment. The durable polypropylene construction is built to withstand repeated tests and playful sessions, while remaining safe and recyclable.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe wheel axle hole features a four-tooth grip to lock the 1\/4-inch dowels in place, helping prevent slippage during launches and tests.\u003c\/li\u003e\n\u003cli\u003eRubber bands add traction to the outer wheel, supporting smoother starts and steadier rolling over varied surfaces.\u003c\/li\u003e\n\u003cli\u003eCompared with improvised wheels, these pieces fit snugly onto sturdy wooden dowels for reliable alignment and reduced wobble.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheels: 4.75 inches in diameter with a 1\/4 inch tread\u003c\/li\u003e\n\u003cli\u003eAxle hole inner diameter: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003eDowels: 1\/4 inch diameter, 6 inches long\u003c\/li\u003e\n\u003cli\u003eRubber bands: 1\/8 inch thick, 3.5 inches long\u003c\/li\u003e\n\u003cli\u003eMaterial: sturdy polypropylene plastic; reusable and recyclable\u003c\/li\u003e\n\u003cli\u003eIncludes: 20 wheels, 20 rubber bands, 10 dowels; plus extras for experimentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuild a rubber band car to compare speeds on smooth floors vs. carpeted surfaces\u003c\/li\u003e\n\u003cli\u003eAssemble a mousetrap-powered vehicle to observe energy transfer and motion efficiency\u003c\/li\u003e\n\u003cli\u003eExperiment with different wheel-to-dowel fits to learn about alignment, friction, and traction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e20 wheels\u003c\/li\u003e\n\u003cli\u003e20 rubber bands\u003c\/li\u003e\n\u003cli\u003e10 dowels, with extra pieces included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterials and sustainability\u003c\/h3\u003e\n\u003cp\u003eMade from polypropylene, the parts are sturdy, safe for classrooms, and recyclable where facilities exist. They’re designed for repeated use in learning activities and maker projects.\u003c\/p\u003e\n\u003ch3\u003eWhy choose this set\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed to support inquiry, experimentation, and iteration. While outcomes depend on variables like surface, weight, and gearing, the parts provide a dependable base for exploring motion concepts in a hands-on way.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does this set include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes 20 wheels, 20 rubber bands, and 10 dowels, plus extras for experimentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What projects is it suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for rubber band cars and mousetrap car experiments, offering reliable fit and traction for hands-on learning.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Playvia | Best-Selling Toys, Games \u0026 Learning in the UK","offers":[{"title":"Default Title","offer_id":52907985207520,"sku":"B07RY9ZF89","price":61.49,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/www.carouselstore.co.uk\/products\/stem-inventions-large-plastic-wheels-axles-for-mousetrap-rubber-band-cars-20-wheels-20-bands-10-dowels","provider":"Carousel Store","version":"1.0","type":"link"}