DIY Turn PVC pipes into a playground musical instrument. I wish this had the instructions with it, but I might be able to figure it out. This might even work as a service learning project for the playground
I think you could also have multiple pipe cleaners coming from one number and students have to show multiple ways to add numbers to get to that number. Counting with pipe cleaners and beads. Great for fine motor development too.
Really simple number recognition bingo game - divide a card into 6 squares & number them. The child rolls the die. When they roll a they cover up the number 1 on the card. They roll until they have covered all the numbers.