One kit includes: 120 Attribute Blocks, 1 Set Base-10 Blocks, 25 Clock Faces, 1 Clock Face Stamp, 2000 Connectors, 450 Counters, 1000 Counting Sticks, 16 Dice (blank), 24 Dice (dotted), 18 Dice (polyhedral), 5 Sets of Dominoes (double-9, 55 piece), 3 E