EUGY - a super-fun 3D puzzle that's eco-friendly and can be assembled in 10 to 20 minutes! This collectable toy is great for STEM concepts and craftable fun. This adorably chompy Crocodile 3D puzzle comes complete with a helpful little bird helping clean the croc's mouth. Ancient naturalists spoke of a bird that crocodiles would willingly let into their mouths to eat leeches. While this behavior has been sporadically observed in modern times, it does not seem as prevalent as previously believed. Still, it makes for a cute little scene to play out in this puzzle! A perfect arts and crafts activity to help pass some time and teach following instructions.