This material contains a large tray that contains wooden test-tube holders colour-coded in white, grey and black. The test-tube holders have 10 holes each that hold 70 test-tubes in all. Each test-tube contains 10 beads, making it a total of 700 beads in green, blue and red. There are 3 division boards with green, blue and red bands to represent the divisor. The set also contains a box containing 9 red skittles, 9 blue skittles and 10 green skittles.