You can find these pattern block mats at pre-k pages.
You can find these here.
These cookie sheet activities are great. You can use them as file folder activities too. You can find these here.
This ABC mat that can be used in multiple ways is from Pocket Full of Kinders!
You can find these items in the Dollar Spot at Target. :)
You can find the stringing lights activities here. Great for fine motor too!
Christmas Work Box (Putting items in the box and following directions).
You can find this freebie here.
See more fun ideas here at The Autism Classroom News.