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. The Humpback Whale is a baleen whale easily identified by its long, wing-like fins, which are showcased here on this Humpback Whale 3D puzzle. A perfect arts and crafts activity to help pass some time and teach following instructions.