WhatToDraw.art is an online platform focused on drawing practice. It helps users enhance their painting skills through simple and fun challenges, such as drawing circles, using a drawing generator, and spinning wheel tools. The core technology of the platform lies in its grading system that analyzes the accuracy of users' works in real-time, assessing aspects like the consistency and smoothness of a drawn circle's radius. Its main advantages include providing an interactive and user-friendly learning environment suitable for painting enthusiasts of all ages. This product is freely available and aims to inspire users’ creativity and artistic interests through enjoyable methods.