I agree the best option is to just grab the toys and if they dont ask for them after a certain time you can clear them or either you can just tell them you are going to take some toys and teach them that you have to take it because they have too many toys, you can ask them which ones they prefer to keep but the main goal is to clear so there is more space and more tidiness which is main point. Thats what i do with my children. Although sometimes they dont like it thats the way it has to be, And they have to understand that. They get over it after a while anyways. :)