After you download the program, you can shake the rocker bar up and down, you can switch the pattern on the dot matrix, just like looking at the photo album, there are many small animals in the album.
Going up we can see the ducklings. Turn down to see the butterfly. Turn left to see the giraffe. Turn to the right to see the cow. Press to see the snake.
4.Search for blocks
The code of the experiment: Lesson 12 Animal World.rar