You have limit space and you need a Ergonomic desk for your Kid, ERD-H10B is the best choice. It can adjust the height from 55m to 76cm suitable for any kids.
Desktop include fix and flip to 45 degree
This design help you keep the things on fix part and the flip part for reading or painting.
The flip part is kept by high quality gas lift which easy change the tilt for desktop.
Plywood material waterproof and corner is curve cut which is safety for kids