Domino maths has never been so quiet! Lightweight soft foam allows for quiet individual or group activities and game play. The jumbo size makes them easy for younger students to manipulate. Use for sorting, patterning, arithmetic, fractions and logic problems. Set of 28 double-six dominoes comes in 6 bright colors red, blue, yellow, orange, green and purple with white dots. Activity guide and storage case included. Each domino measures 13cm long x 8cm wide x 1cm deep.