10 months & up. Give babies fun, flexible toys with this Pully and Plungy set. These toys move in a variety of directions to accommodate the many ways that babies move. Little ones can squeeze them inward, pull them outward, roll them - the possibilities are endless! The plungies even suction to surfaces like tables, so babies will have early exposure to a fascinating scientific phenomenon. Set includes 2 pullies and 2 plungies made of silicone. When extended, the Krumples Pully measures 8.5" and the Krumples Plungy measures 7".