Sesame Street&reg; Bath Time Bubble Books Featuring Elmo (Set of 3) Set of 3 soft, water and stain resistant Bath Time Bubble Books for infants and toddlers. Featuring favorite Sesame Street characters. Set of 3 books. Each book is 8 pages and measures 5 x 5 inches. This set of books is perfect for bath time, pool time, playtime, or anytime!