{"product_id":"pathfinders-stem-kit-leonardo-da-vinci-helicopter-model-kit-science-kits-stem-toy-physics-toys-engineering-learning-resources","title":"Pathfinders Leonardo da Vinci Aerial Screw Model Kit (Ages 14+)","description":"\u003cp\u003eBuild a hand-powered wooden model inspired by Leonardo da Vinci's aerial screw, an early concept for vertical flight. Turning the model offers a hands-on way to explore rotation, mechanical design, and the history of engineering ideas. This is a model for investigation, not a flying aircraft.\u003c\/p\u003e\u003ch3\u003eEducational specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubjects:\u003c\/strong\u003e Engineering, motion, and Renaissance-era invention\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAge level:\u003c\/strong\u003e Ages 14+ for independent builders; the imported listing suggests ages 8+ with adult guidance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Wooden mechanical model building kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild time:\u003c\/strong\u003e About 60 minutes, according to the imported listing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pathfinders\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pathfinders","offers":[{"title":"Default Title","offer_id":50524145680635,"sku":"B00865U2RW","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/4538\/8539\/files\/81Zn4HVjW1L._AC_SL1500.jpg?v=1790230610","url":"https:\/\/dandelionrootsshop.com\/products\/pathfinders-stem-kit-leonardo-da-vinci-helicopter-model-kit-science-kits-stem-toy-physics-toys-engineering-learning-resources","provider":"Dandelion Roots","version":"1.0","type":"link"}