It looks like a dragon from the world "My World," and its design is inspired by the game Minecraft.

Product name: My World MG1122. Content: Includes Enderman dragon and a character that can transform into an Enderman Mech. Approximate package dimensions: 39 cm (height) × 36 cm (width) × 6.5 cm (depth). Contains 494 pieces. Special feature: Features "dual transformation," meaning the dragon can transform into an Enderman Mech.