Large Plastic Number Cards with Box (1-9000)

The Large Plastic Number Cards are a traditional Montessori material which contain 4 different sets of plastic cards with a number on them.  The smallest set contains 9 cards with the numbers 1 to 9 in a green colour. The second set includes nine more cards with the digits 10 to 90 in a blue colour. The third set is composed of 9 more cards with the digits 100 to 900 in a red colour & the final set comes with 9 more cards with the digits 1000 to 9000 in a green color.