Children begin to understand the arithmetic operation of addition by putting together numbered parts and pegs that add up to a maximum sum of 20.A self-correcting toy, Peg and Add, forms the perfect link between numerals, object counting, and addition. Children can add numbers between 0 and 10 using pegs and no matter what combinations they try, they will always find the right answer. It also helps them read addition problems in an equation format. Using pegs makes the abstract arithmetic procedure of addition very concrete, making children enjoy it as they soak it in completely.Set includes a long wooden base with 3 circle sections, 10 red pegs, 10 blue pegs, number tiles from 0 to 10 in red and blue, number tiles from 0 to 20 in black, 10 red and 10 blue fractional decagon bases each representing a numeral from 0 to 9, a wooden box with partitions to hold the pegs, tiles and cards - all packed in a Skola Doodle box.Size of wooden base: 39.5 cm x 16 cm x 1.4 cmSize of wooden box: 12.5 cm x 9.5 cm x 4.5Once children understand addition using pegs, they are ready for skip counting exercises to set the base for multiplication