Scratch
Basics
Programming area:

Several move blocks dragged across.

Different numbers typed in, including minus numbers.


What to do:

Click on the move blocks to make the dinosaur "dance".


What to do next:

Add another sprite and drag move blocks into its programming area.

Make the dinosaurs "dance" by making them move alternately.
Screen:

A dinosaur sprite
Scratch starter project: Move
https://scratch.mit.edu/projects/87223236/
This block moves the sprite in the direction it is facing.
"Steps" is a way of measuring distance in Scratch.
You can change the number
... minus numbers make it go backwards.

A starter project for exploring "move" block