To start, press the green flag. Then, to make the hippo go forward, press the up arrow. To make it turn left, press the left arrow. If you want the hippo to move to the right, press the right arrow. If you're a teacher: Lesson plans are also available on the CS First site. If you decide to sign up for a CS First account, you'll be able to track your students' progress, order physical materials (kits), and access your students' projects in Scratch.
The addons I used in this project are the hippo and the ghost.