Learning Resources Skill Builders! Numbers & Counting Activity Set. Young children build preschool skills with this fun maths set thats ready for learning fun! Through using a variety of resources and activity cards, preschoolers practise counting, sequencing, subitising, matching, sorting, and more. The easy-to-follow instructions help guide families through the activities making this perfect for learning at home. When the learning fun is done, the resources store inside the reusable storage box with convenient carry handle ready for next time.