down. put those in a basket and store the rest. you also don't want to crowd your shelves. space the baskets on the shelves so that it is obvious where the work should be returned.
are you wondering how many toys to put out at a time? i can't tell you that, but your child will. if you have a toddler who is into "dumping" making a big awful mess for you to clean up every time, or if you have a four year old who is having a hard time putting things away, you probably have too many toys.
you also might want to select one type of toy and rotate 