The best types of toys for rabbits are those that cater to their natural behaviors, like chewing and foraging. Chewable toys made from safe, untreated wood, cardboard, or hard paper are ideal as they help keep a rabbit's teeth in good condition by providing necessary wear. Toys that encourage foraging, such as treat balls or puzzles that require manipulation to release food, are also excellent as they stimulate a rabbit's mind and replicate natural feeding behaviors. These toys not only entertain but also promote physical and mental health.