NatureNest Cardboard Maze Activity Set

Flat-pack cardboard maze set that assembles into a multilevel labyrinth of tunnels, rooms, and ramps. Encourages exploration, problem-solving, and physical exercise. Made from plain unbleached cardboard — safe to chew and nibble during play. Interlocking tab construction — no glue needed. Assemble new layouts every time to keep your pet mentally stimulated. Best for hamsters, gerbils, rats, and mice.