Manhattan Toy Bitty Birds Wrist Rattle Set Wrist rattle set includes one blue owl rattle and one yellow song bird rattle Lightweight wrist rattles attach with Velcro-like closures Wrist rattles encourage development of gross motor skills while teaching cause and effect Features ribbons and a variety of fabric textures for additional tactile exploration For ages 0 months and up, each wrist rattle measures 6" x 2"