S & S Worldwide, Water Flotation Foam Noodles, Pack of 24, (77116) Closed-cell polyethylene foam noodles for hands-on experience with concepts of flotation, force, and motion Pack of 24 in assorted colors Noodles are 64- x 2- They make for great toys in the pool, at the lake, or the beach Noodles have a filled center- no hole