WonderSwan was a Japanese hand held game console released by Bandai in 1999. I never actually had one of these but I remember a few friends 'importing' them, which was a bit of a waste of time, as only around 10% ...
For my tenth birthday in 1992 I had a choice between a Barcode Battler, a Game Boy or a Sega Game Gear and stupidly chose the Barcode Battler thinking it was really futuristic! What a complete let down it was ...