Surprise every day: 24 boxes waiting to be opened, 24 small dinosaursto meet the curiosity of children Different varieties of dinosaurs: The set contains different varieties of dinosaurs such as Triceratops, Stegosaurus, Pterosaurus, Ichthyosaurus, etc. to enrich your child's knowledge of the varieties. Safety for children: all accessories have passed laboratory tests, with ASTM, CPSIA test reports, in line with U.S. toy standards. Additional added play: flying chess map & dice, more fun through competitive flying chess to decide who will open the box for the next day. Celebrate Christmas from Dec 1st to Christmas Eve. Christmas countdown advent calendar is an exciting time for kids. own advent calendar is an exciting time for kids.