Inside the Pikachu
Voxel giant Pikachu model and you can build something inside of it with Cube Alchemy game (and Build with Cubes too by the way) or download .schematic file for Minecraft here
CONTROLS: Use arrow buttons or WASD to control motions; Hold down LMB and move mouse to ROTATE camera; SPACEBAR to jump; LMB / RMB - place / delete a block / object.