Discovery Kids Dinosaur Excavation Kit (T-REX) Fossil Model Bones Skeleton - with Digging Tools Discovery Kids T-REX Dinosaur Excavation Kit. (Packaging may Vary - see all Product Images) Dig out the bones like a Real Paleontologist. Put the fossil skeleton together to make a model of the dinosaur. Kit includes: 16 Piece Dinosaur Fossil, 1 Clay Block, 1 Chisel Digging Tool, 1 Wooden Mallet, 1 Brush and 1 Instruction Manual/Fact Sheet For ages 8 and up.