{"product_id":"da-vinci-tank-3d-wooden-stem-construction-kit","title":"Da Vinci Tank 3D Wooden STEM Construction Kit","description":"Dive into history with this mechanical wind-up 3D-puzzle of Leonardo Da Vinci's fighting vehicle, a replica of the tank designed in 1487. This intricate model features 360° canons, sloped armor for increased stopping power, a rotating rubber-band mechanism, and wooden gears inspired by the original invention. With a stop \u0026amp; go lever, this historical masterpiece is a must-have for any history enthusiast or puzzle lover.","brand":"EWA Eco-Wood-Art","offers":[{"title":"Default Title","offer_id":49321972826389,"sku":"AVRAV0523409","price":58.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/2f5c4e14552d7d42ba761994585031d2a6ff0437.jpg?v=1758166799","url":"https:\/\/unitedsupplycorp.com\/products\/da-vinci-tank-3d-wooden-stem-construction-kit","provider":"United Supply Corp.","version":"1.0","type":"link"}