Press the flag. The ball is on the start. Use arrow keys to move the ball from start. There are 3 finishes, if the ball touches any of them, you have comepleted it. The goal is to make it through the maze to the finish. Sorry if the ball is tiny. Have fun. Sorry, if the ball gets stuck. (If it does you'll have to restart, sorry.)
Credit to @stemguru4u on YouTube. Sorry for the bad outer part also... I got lazy. Please be kind, and have respectful comments. Comment kindly if you'd like.