But what about vitamin D? Don't babies need it? Can babies get enough from supplements? Doesn't new research tell us that everybody needs sensible sun exposure?
To find clues as to the best toys, turn off the TV, put away the passive-play toys, and watch your child. Many kids will begin to play spontaneously, using whatever is at hand; take note of what they choose to play with. Click here for more tips on toys for two-year-olds.
But what about vitamin D?