Maria’s friends are riding a big roller coaster. It goes too fast for Maria.

Maria will try the swing. She is excited! It does not go too fast.

Build the swing for Maria to ride.

Here is your challenge: create the program that makes the swing move.

Create the program. It makes the swing move.

Test your program.

Change your program. Make the swing better for a friend who would like a more exciting ride.

Upgrade the swing for Maria and her friend.