Making Simple Robots, 2nd Edition

9. Next, make the Cube sprite

change costumes, so the color

changes each time it comes

down the conveyor belt:

• Go to the Looks menu

(purple) and drag a “switch

costume to [costume

name]” block above the

“go to” block

(Figure

Q

)

.

• Go to the Operators menu

(green). You will see

blocks that look like math

operations. Drag the “pick

random [1] to [10]” block

over the name area on the

“switch costume” block.

• Count the number of

costumes you have,

and type that number

over the 10.

10. From the Events (tan) menu, drag a “When [flag] clicked” block on the

top of the stack. Click on the stack to make sure everything is working!

11. Now create ...