numeral match sensory bin with collected lids-Sharon Wachsmann N is for Number
Basic Shapes Work Station or Centre Activity
Counting beads on pipe cleaners
Putting the right number of beads on numbered pipe cleaners. For therapy, have kids "draw straws", say that number of their target words/name that many things in a category/etc, then they choose beads they want and place them on pipe cleaner
Tough spot number practice with wet cotton wool buds:) You could use this to practice number recognition and also number bonds. Find OR find 4 + 4
A really popular outdoor maths activity for that also promoted a lot of talk and PSED.
Numicon and fruit loops
Sorting, Counting, and Graphing for Preschoolers
Mom to 2 Posh Lil Divas: 10 Fun and Hands-on Math Games for Kids
Number formation display I think this is fabulous for engaging the boys. I would probably introduce one number at a time and slowly build it up.