{"product_id":"convection-box-with-glass-front-and-back-panel-and-glass-chimney","title":"Convection Box with glass front and back panel and glass chimney.","description":"Use our Convection Box to demonstrate the flow of convection currents in a gas. Place a small, lit candle under one open chimney, then use touch paper or a wood splint to introduce smoke into the opposite chimney. The heat from the candle will cause the air to flow and the smoke to travel down into the box and back out the other chimney, showing a convection current. Includes, the convection box with glass chimneys and glass front panel, candle, and instruction guide.","brand":"GSC International","offers":[{"title":"Default Title","offer_id":49507457466645,"sku":"GSC303-1","price":35.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/303-1.jpg?v=1761838303","url":"https:\/\/unitedsupplycorp.com\/products\/convection-box-with-glass-front-and-back-panel-and-glass-chimney","provider":"United Supply Corp.","version":"1.0","type":"link"}