{"product_id":"united-scientific®-reflection-refraction-tank","title":"United Scientific® Reflection \u0026 Refraction Tank","description":"This product effectively demonstrates the laws of reflection and refraction. The 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button. Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam. Requires two AAA batteries (not included). Includes activity guide.\n\nPlease note: This product emits laser light. \nMax. output power: \u0026lt;1mW\nWavelength: 630-680nm\nClass II laser product","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":49962298736917,"sku":"USSRRT002","price":97.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/RRT002_20Reflection_20and_20Refraction_20Tank.jpg?v=1781070780","url":"https:\/\/unitedsupplycorp.com\/products\/united-scientific%c2%ae-reflection-refraction-tank","provider":"United Supply Corp.","version":"1.0","type":"link"}