According to pets at home:
"The sticks can be easily shaped into a hideaway, fence or stairway.
Made from natural wood, they are also perfect to nibble on and may help keep rodents teeth a healthy length.
These fun playsticks are perfect for rabbits, guinea pigs and chinchillas."
TBH our rabbits chewed on it a bit, but otherwise largely ignored it. Maybe yours will find it more interesting?
Wooden chew tunnel for rabbits (Lakenham NR1)
This offer has been gifted to someone and is no longer available.