Great fine motor activity that also works on number recognition and matching. Instead of numbers you could also write letter on the sticks and box. And you could math problems on the sticks with answers on the box.
Counting and Measuring with Lego: Preschool Maths Game - Good way to visually compare numbers - I would suggest making the corresponding numbers (like 5 and 15 or 8 and the same color to help see the pattern relationship between the numbers and 15
Simple Hands-On Activities That Help Build Fine Motor Skills - with fine motor skills going missing at preschool, try some of these hands-on invitations to help strengthen fine motor skills you clever monkey