Build Elmo and his piano or best buddies Bert & Ernie at the same time! Each set includes 3 fun, educational activity cards featuring building ideas and collaborative parent/child activities. The handy storage container makes clean-up a snap! K"NEX is the only U.S. construction toy company focused on Building Worlds Kids Love™. K"NEX seeks to build young minds and encourage them to imagine, build and play with its exciting product line specially designed for kids ages 2 through 12. Creative open ended play, educational benefits, and family fun are just a snap away with K"NEX!