2 years and up. Embark on a prehistoric adventure with Dig and Discover Dinosaur Tactile Skeletons. Made from a durable stone mix, these chunky dinosaur pieces are perfect for repeated excavations. Children will enhance their spatial awareness while engaging in sensory-rich activities. These versatile puzzles can be assembled on a table or buried in sand or mud for an exciting digging experience, unearthing fossils and piecing together dinosaur skeletons. This hands-on adventure sparks endless conversations about dinosaurs and their ancient world. Set features 6 different dinosaur skeletons.