But there's one I've had the most fun building: A gorgeous, meticulously detailed set based on the first level of the first game in the ubiquitous "Sonic the Hedgehog" series for the Sega Genesis ...

The base represents the roller coaster track during the boss battle from Sonic the Hedgehog 4: Episode II with a warning sign for a bottomless pit, reminiscent of risky moments in Sonic games." ...