2 boxes with number 0-9 and 45 spindles, presents the abstract & concrete concept of numbers 0-9. Purpose: To learn the concept of zero. To see the numerals 0 to 9 in their correct fixed sequence, and to match them with the correct number of loose Spindles. There are 45 spindles. If the child makes an error when doing the activity, he will have either too few or too many spindles at the completion of the exercise.