With a budget of around €200 you can buy a small starter drone, that is, a micro drone called the Cetus Kit, which comes pre-built, ready to fly. It may seem like a big investment, but it is important to understand that at first you have to buy some products that you will use for a long time, such as batteries, a battery charger, a radio control and goggles.
If you want to start with something more intermediate, the budget will increase depending on your requirements and also the technology (analogue/digital).