What is it? what did you do when you finished it?
A video cassette. You had to rewind it and return it to the store.
What's this? What is it for?
A tube to put the negative of photos.
What's the relationship between the two objects?
The pencil is used to rewind the tape.
What is it? What is it for?
A toy to see pictures.
What's this?
Disquete.
What's this?
A joystick
What's this?
Tamagochi, a virtual pet.