{"product_id":"builder-lab™-flight-spin-helicopter-flight-lab","title":"Builder Lab™ — Flight \u0026 Spin (Helicopter Flight Lab) (STEM.DELUX)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHelicopters don't have wings — but they fly. This kit shows your child exactly how.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYour child will build a working helicopter launcher and experiment with blade design, weight, and angle to figure out what makes it fly higher and spin longer. They'll see the same physics that keeps real helicopters in the air — and maple seeds spinning down from trees. The kit includes foam blades, a launch mechanism, paper clips for weight testing, and a full lab guide with extensions for ages 5–13.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eWhat they'll discover: How spinning creates lift — and why blade shape matters more than power.\u003c\/em\u003e\u003c\/p\u003e","brand":"SmartHead Co.","offers":[{"title":"Default Title","offer_id":46628245733534,"sku":"SH-STEM-BFS","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/6289\/4238\/files\/Screenshot2026-03-21at9.43.22PM.png?v=1774151009","url":"https:\/\/shop.thesmarthead.com\/products\/builder-lab%e2%84%a2-flight-spin-helicopter-flight-lab","provider":"SmartHead Co.™","version":"1.0","type":"link"}