Looking for stainless steel Small Planet Gear planetary gear set

Buy offer Details

i have been looking everywhere online to find a simple planetary gear set that i can buy, it is impossible, i am making an invention and want to buy 6 simple open style planetary gears that are 1" in width for the outside ring gear, and has 3 planet gears connected by a triangle type bar holder and that has a shaft that is connected to the planet bar holder, and also a sun gear in the middle that has a shaft that goes towards the other side of the planet gear bar holder shaft, and what i need the gear to do is when i turn the outside planet gear bar shaft 30 degrees it turns the inside sun gear shaft 180 degrees, and the outside ring gear will be stationary and not moving, can you please help me i am desperate, i live in Victoria BC Canada!