Clever Creations 173 Piece Red T Rex (Tyrannosaurus Rex) Creative Building Blocks Set It's never been easier, or more fun to play and develop eye-hand coordination than it is with this creative building set. Containing 173 individual building pieces and an instruction card, this set has everything you need to get up and building your very own Tyrannosaurus Rex within seconds. The Tyrannosaurus Rex was a massive, fierce dinosaur with enormous, powerful jaws. The individual pieces in this set vary in size, shape, and color while the box itself measures 12" x 9.5" x 3" Backed By Our 100% Satisfaction Guarantee (Details Below in Description)