====General objectives:====
• * Review and revision of previously presented Scratch commands and language structures; • * Introduction of the message mechanism in the Scratch environment; • * Development of an arcade game outline; • * Implementation of the game in the Scratch environment.
====Specific objectives:====
• * The student will understand and be able to use appropriate structural instructions.• * The student will understand the concept of variable and be able to use it in the programme.• * The student will be able to send messages and programme reactions to a received message.• * The student will be able to use stage backgrounds.• * The student will understand how events work and know how to use them in the programme.• * The student will be able to implement a simple arcade game in the Scratch environment.