A sub brand established by the model coating and tool research and development department under Junshi. More than 1000 types of independently developed products have been accumulated. Mr. HOBBY has long established various cooperative relationships with world-renowned model brands such as Bandai, Fujimi, Hasegawa, and Veyron, such as product joint development and color recommendations in user manuals. Its oil-based paint is long-lasting, with advantages such as good hair color, high color fastness, and rich color codes. Its derivative products include various theme specific colors, spray cans, water and soil repair, Gundam markers, and aged coatings. It is a well-known model product in Japan.