{"product_id":"wind-tunnel-demonstration","title":"Wind Tunnel Demonstration","description":"Use the wind tunnel to investigate lift, Bernouli's Principle, and aerodynamics. Simply connect the tunnel to a power source (not included), turn the fan on, and place a source of smoke (not included) in front of the fan. You will be able to watch the smoke move at different rates on either side of the wing. Instructions Included.","brand":"GSC International","offers":[{"title":"Default Title","offer_id":49507587129621,"sku":"GSCWNDTNL","price":82.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/WNDTNL.jpg?v=1761842802","url":"https:\/\/unitedsupplycorp.com\/products\/wind-tunnel-demonstration","provider":"United Supply Corp.","version":"1.0","type":"link"}