"Exercise and Explore" This maze with 16 entry holes and 13 compartments is perfect for your little animal pet to relieve boredom and increase activity levels. "All Natural" rodents love to chew and nibble, and since the hamster playhouse is made of smooth natural wood, it's completely safe for your little pet. "Small and portable" hole size: 9.8 x 9.8 x 2.8, which means very small, only for pets the size of dwarf hamsters, gerbils, please check carefully. Transparent Cover Hide your pet's favorite treats and watch and enjoy through the transparent cover as they happily seek out their luxurious habitat. "Multi-purpose" Play, climb and rest to eliminate boredom and increase activity levels. Maze toys provide a fun and comfortable place for your little ones to play and exercise.