The Tropical Teasers Sky Rider Bird Toy is a multi-tiered toy, perfect for your bird's nest-building, plucking, and picking activities! It incorporates bamboo, sisal, and cotton fibers, as well as sea shells, colorful paper, beads, grasses, and more. The Sky Rider is perfect for birds sized Extra-Small, Small, Small-Medium, or Medium. Approximately 3 1/2" x 12".