The LEGO Sonic the Hedgehog Classic Games theme celebrates the iconic video game series from the early 1990s, featuring sets inspired by the original Sonic games released on the Sega Genesis. This theme includes detailed builds and minifigures representing key characters such as Sonic the Hedgehog, Tails, and Dr. Robotnik, as well as iconic locations like Green Hill Zone. Notable elements often include loop-de-loops, palm trees, and collectible rings, capturing the fast-paced platforming and vibrant aesthetics of the classic games.