4 years & up. Animal lovers, here's the stamp set for you! Mix and match the detailed stamps with images of wild and domestic animals from land and sea, to create hundreds of beautiful scenes. All the pieces, including 16 stamps, 7 colored pencils and a durable inkpad, store in the sturdy wooden box. Washable, non-toxic kid-friendly ink. Dimensions: 1.5" x 7" x 11" Packaged. Conforms to ASTM D-4236.