Quick answer: Kaido House is the 1:64 brand founded in 2022 by Jun Imai, who spent 14 years designing Hot Wheels at Mattel. The cars are original custom-culture designs with opening hoods and detailed metal engines, built in the Mini GT factory, with unpainted Raw chase variants in roughly 1 in 48 boxes. Kaido House builds are original designs, not replicas, and it shows. (Image: kaido-house-datsun-510-wagon.jpg) Who Is Behind Kaido House? Kaido House started with a resume nobody else in diecast can match: Jun Imai spent 14 years as a Hot Wheels designer at Mattel, shaping some of the most loved castings of the modern era, before launching his own…