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!
Colorful Fizzy Fun: Pinner says "This kept my 2 year busy for an entire hour and my 4 year old busy for 2 hours! Drop vinegar tinted with food coloring onto a pan filled with baking soda. Sheer minutes of colorful fizzy fun!