What you will get: you will get 2 set dinosaur excavation kits, each set has a hammer, chisel and brush; Chip away at the excavation kit’s plaster rock to reveal replica bones from a tyrannosaurus and triceratops skeleton Improve hands-on skills: stimulate an interest in paleontology with this fossil skeleton excavation kit; Our 2 set dinosaur excavation kits can cultivate practical ability and independent thinking ability, fun and educational to play with Quality material: quality gypsum (odorless, safe and non-toxic) natural resin (resin derived from plant secretions, has no harm to human body, toughness is good, and it is not easy to break) Realistic design: the tyrannosaurus and triceratops we selected are all reduced in proportion to the original dinosaur skeleton, restoring the authenticity of Jurassic dinosaurs, the skeleton is stitched together and placed on your desk or bookshelf is your exquisite collection Destination discovery: take reality to another level with our fun