The Number Link Set ia a great learning tool to develop number recognition and subitising skills, and to learn and understand number order. The manipulation of pegs and links will improve fine motor skills.
5+
Develop number sense
Helps children in visualizing numbers to develop number sense, and to understand number order.
Learn basic number concepts
Develop understanding of number concepts, number order, number recognition, and subitising.
Essential educational tool
Essential & valuable educational tool for all kindergartens, schools and home activities.
edx education 
edx education Transparent Numbers Set 
edx education_19612_Pattern Play Activity Set-0