Tyrannosaurus - 3D Mini Figure to Build Yourself. The T-Rex was one of the largest carnivorous dinosaurs, capable of growing up to 12 meters long. This unique 3D mini figure from a charming collectible series can be effortlessly assembled from numbered cardboard layers, one after the other, into this fascinating figure. All parts (depending on the figure, 20 - 28) are numbered. The set includes everything you need to assemble this unique 3D animal figure made from eco-friendly and biodegradable corrugated cardboard. Assembly is incredibly simple, as you piece together the numbered cardboard layers one by one to create a captivating figure. Made from eco-friendly, biodegradable corrugated cardboard. Printed with natural, eco-friendly, rice-based ink. Non-toxic, water-soluble, and biodegradable glue.