dino bone

The listings indicate the skull toys are made of rubber (described as hard rubber in some item details).

The toy skulls are listed as suitable for "All Ages," while the dinosaur bones paperback is specified for ages 4–8 years.

Each skull replica listing shows one piece included (Number of Pieces: 1).

Many listings label the models "Very Realistic" or "Super Lifelike" and describe them as "Educational," noting suitability for dioramas, displays, or learning tools.

The paperback is listed at 6.83 × 8.77 × 0.12 inches, weighs 0.2 pounds, has 32 pages, is in paperback format, and is specified for ages 4–8.