These 6.75" interlocking colorful foam rubber puzzle pieces can form a mat or be used to build. It's never too early for your Jewish children to get a jump on Hebrew school! The pieces have removable Hebrew letters in the center. Twenty-eight pieces include the entire Aleph Bet (Hebrew alphabet). Comes in a clear plastic zippered storage case. Ages 3 and up. SIZE: 6.75" each; assembled size 8.5 square feet.