Hubsan Micro Drone – one of the favorites for learning – $24.99

At this price you can buy two and use the other for a spare battery, props, motors, etc.

This is an updated model of the Hubsan which started it all back in 2013 – one of the first popular consumer drones. Back then it sold for $45-$80, so you are doing well at $25 today.

Various colors available. You can buy extra batteries, prop guards, etc. separately if desired.