Three of them are comic books Doraemon.
Doraemon is a cat robot and from future.
In every episode main charactor Nobita is in trouble at first and then Draemon gives him something useful from his pocket.
Nobita uses tools and tries to do something fun.
But he usually goes too far and story ends with regret.
They cost me 315 yen and I'll try to sell them about 1000 yen when I read through.