They are easy to take care...
They are friendly and playful.. They will bite if they smell something new.. and the bite is not painful, Seriously.. just like ant bite..
You can try to take the hamster out and round around your house... This is wad I usually do.. Where i bought a hamster ball and make them run around the house..

You also can teach them to do some trick... But I really need alot of time and effort... I'm still training one of it to do something.. But still need a lot of time..