I have tried with my 21 month old:
Squity cream mixed with food colouring to make marks with, I give him a paintbrush too.
Paint with paint brushes rollers, cars.
Coloured rice with pots, spoons etc.
Water play with different size and coloured containers, bath toys - i add food colouring too.
Farm with wheatabixs as hay, caused up cereal,
yogurt mixed with blue food colouring as the pond.
A muffin tin with lots of different objects, can do food ones like rice, lentils, pasta, yougurt or household like pom poms etc.
I'm going to try:
Threading pasta on string
A box or string tried up to make a little washing line to hang clothes up with pegs.