This activity involves Numeracy and Fine Motor Skills. This can be used for small groups of learners or for individual activity and the sizes of each boards is suitable to the hand grip of your young learners. You can print the pages using paper boards, cut and laminate it for durability and you may also use small clothes or wooden clips for easy handling. If you have some good points for me to improve this output I will be very happy to hear you. Thank you and Happy Teaching!