Maybe a gNe for kids with really immature grasp patterns and dislike for colouring (but likes cars) Drawing with Cars ~ Marker Cars is a fun activity that merges art and play. A great way to get the nursery boys mark making!
Three Little Pigs' houses. They glued hay on for the straw house, sticks onto the stick house and sponge painted red onto the brick house. This would be great for retelling the story of the three little pigs. I'd do it in a smaller version.