This is WN-102:
This is a third version, but I can't make out the model number (WN-103?):
Sharp- Wondertopia (19??, LCD, Watch Batteries, Model# WN-100/WN-102)
Mathematical quiz game, calculater and quartz alarm clock. I've found a couple of different versions of this, and two different model numbers, so they are probably slightly different.
This is WN-100
This is WN-102:
This is a third version, but I can't make out the model number (WN-103?):
Do I have this? No.