- Apple sticks: These are a good source of fibre and they also help to keep your guinea pig's teeth clean.
- Willow twigs: These are another good source of fibre and they are also very durable, so your guinea pig can chew on them for hours.
- Hay cubes: These are made from compressed hay and they are a great way to provide your guinea pig with extra fibre.
- Timothy balls: These are made from compressed timothy hay and they are a good way to keep your guinea pig entertained.
- Cardboard: Guinea pigs love to chew on cardboard, but make sure to only give them plain, unbleached cardboard.
- Wooden blocks: These are a good way to provide your guinea pig with something to chew on, but make sure to avoid any blocks that are treated with chemicals.