3 years & up. What fun it would be to find ancient artifacts in a sand table! Perfectly sized for toddlers, this set includes 7 bones, 4 fossils, and a broken plate in 5 pieces. Bones come in 4 different lengths, the largest one 4.75" long. Use for sorting, measuring activities, and sand play. The smooth surface makes them perfect for sensory experiences.Explore the relics of the old world. Place them in a sand table for children to uncover, analyze, and document.