This impressive dinosaur skeleton model lets kids build a 1:15 scale replica of an accurate Tyrannosaurus Rex skeleton! Characteristics: Designed and created by dino experts including Dr. Stefano Piccini, this fearsome kit has everything you need to construct a full skeletal model of one of the most awesome and feared dinosaurs - T-rex! Includes 21 skeleton pieces plus rocky base to pose your model on. Also includes a poster with educational info, a comic book, and detailed and easy to follow assembly instructions.Size: Box measures approximately 19 x 13 x 2 1/2 inches.Age: 6 years and up