These four-dimensional prehistoric dinosaur models consists of 21 to 26 pieces, along with a 6-piece puzzle base.  Each Dinosaur 4D Puzzle toy comes packaged in an ammonite fossil capsule and features finely detailed sculpting with hand-painted parts. When assembled, the dinosaurs are 10 to 15 cm in length.  4D PUZZLEs are highly recognized for their authentic look, museum-quality painting and finishing, novel and creative designs and educational, enjoyable and inspirational value.  Available models include Amargasaurus, Dimetrodon, Raptor and Tyrannosaurus.