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!
Scooping items floating in water: this activity can be done with any item that floats, and can be changed around themes, holidays, or to increase difficulty. Children work on motor skills, but can also start incorporating color matching or sorting as time
Discovery bottle - Fill to the very top with one part baby oil and one part water (with a few drops of green and blue food coloring mixed in). Shaking will produce gorgeous clear bubbles immersed in t(Bottle Green Room)