BULAN - is a workshop for the creation of electric vehicles, such as an electric attachment for a wheelchair, an electric board, etc. The electric wheelchair attachment solves the problems of people with disabilities. The main problem is to get to the destination, it is very difficult to roll the wheel for several kilometers by yourself, in the fall, in the spring, hands are cooled, and they need a constant assistant. The BULAN attachment can solve the above difficulties. It has travel range 20-30 km depending on the weight of the user, charging time 4 hours, and suitable for all strollers, easy to assemble and disassemble, compact. An electro longboard with an electric attachment combines convenience, speed, with a cruising range of 40-50 km, depending on the rider's weight, and the quality of the roads.