Daniel is very sad. He dropped his snack.
Daniel is still hungry. He’d like to get another snack from the snack stand.
Build the snack stand so that Daniel can get another snack.
Here is your challenge: create the program that serves another snack to Daniel.
Create the program. It serves another snack to Daniel when he shows his blue snack ticket.
Test your program. Put Daniel’s blue snack ticket in front of the Colour Sensor.
Change your program to improve the snack stand.
Upgrade the snack stand for Daniel. Make sure that he can still reach his snack.