Dig ancient shark teeth with the 4M Dig and Excavate Glow Shark Tooth Fossils. Excavate one of the deadliest weapons in nature: the shark tooth. Enjoy hours of scientific fun with this toy. This pack contains 2 glow-in-the-dark shark teeth embedded in plaster block with a specially designed digging tool and fabric cord. Knot instructions are included. Made using safe and high quality materials, this product is designed to last. Give the gift of science with toys and gadgets that foster curiosity and encourage scientific learning