Scott Resources & Hubbard Scientific Poly Crystal: 4 oz.
https://m.media-amazon.com/images/I/71noyhPPsRL._SL1500_.jpg
https://m.media-amazon.com/images/I/41N6dCmiouL.jpg
https://m.media-amazon.com/images/I/41N6dCmiouL._SX38_SY50_CR,0,0,38,50_.jpg
MAIN
American Educational Products
{"Product Dimensions": "15 x 10.5 x 0.8 inches; 3.84 Ounces", "Item Weight": "3.84 ounces", "Manufacturer": "American Educational Products", "Date First Available": "October 27, 2016"}