Drill or cut a 'feeding' hole near the bottom, small enough that your bird's head can't get stuck in it. Next poke or drill a hanging hole in the lid. Lastly fill it with hay or paper shred plus seeds and treats throughout!
A good selection of toys and activities will help keep your pet chinchillas active, happy and healthy. Chinchillas also like exploring outside of their cages, but this requires careful chinchilla-proofing.