Button Sorting Cups (and link to other color sorting games) - What a brilliant idea for your toddler/preschooler! Adding this to our collection of activities to promote fine-motor skills and color recognition!
Calming bottles - these sensory bottles are great for little ones to explore and for preschoolers to use during a cooling off period. Water bottles with small amount of water poured out. Glitter glue, loose glitter, jewels and superglue to seal cap.
Had when i worked in a preschool and kids love them! I would use colored sand instead of white salt. DIY salt tray with alphabet cards. Easy to make and kids have fun smoothing out the salt after correctly making the letter