Our large foam dominoes give students a fun way to practice and reinforce key math concepts. Instructions included. Make finding area and perimeter a game! One set provides practice in calculating the area of squares and rectangles. The second set challenges players to calculate the perimeter of a variety of shapes. Details:Oversized dominoes are made of durable foam (4" x 2")Each game includes two sets of 24 color-coded dominoes (48 total pieces)Each set is ideal for up to four playersA fun way to reinforce key conceptsIdeal for any students needing additional practiceGrades 3 to 4