Dissection pans wont rust, the pads are reusable and there is no need to melt sticky wax. The covers close up for the day.
113-1905 - The Economy pan is perfect for the beginning dissection project, earthworms, small frogs, clams, or grasshoppers. Pan measures 10" length by 7" width."
113-1907 - The Deluxe pan is excellent for larger specimens, fetal pigs, bull frogs, and star fish. Pan measures 12 3/4" by 9".