Aster Hobby Co., Ltd. is a renowned Japanese manufacturer of live steam model locomotives, especially known for its exquisite craftsmanship, prototypical detail, and small-batch production. Founded in the mid-1970s, Aster quickly gained an international reputation among collectors, hobbyists, and live steam enthusiasts.​  Aster locomotives are considered functional art — combining precision engineering, historical accuracy, and aesthetic beauty.    Today,  Aster Hobby continues its tradition of producing miniature live steam masterpieces in Japan.