Many adults
At the same time it is fine economy.
Not always it is necessary to buy a new toy, it is possible to get old, forgotten.
By the way, the toy cleaned for a while is more desired then to the child, than new.
He meets her as the old friend.
If the child constructed somethin keep till next day.
Sometimes constructions lasting many days and proceeding games are the fine phenomenon which learns the child to achieve the purposes and not to throw the begun.
Many adults do not have enough this quality.
Memory Many decades was considered that the child of this age cannot remember that was in his life earlier.
Modern children others.
.