The set of six Sega Mini Video Games measure approximately 8cms long and feature the favourite
Sonic the Hedgehog and friends characters:

Orange:  Tails Sky Patrol - catch the rings as they fly across the sky.
Red:  Knuckles Soccer - see how many goals you can save.
Yellow:  AiAi Banana Catch - catch the falling bananas.
Blue:  Sonic's Speedway - see how many cars you can dodge.
Green:  Shadow Grinder - jump to avoid gaps.
Black:  Sonic's Action Game - jump over platforms and catch rings.