Computer Science - Block-Based Programming - Introduction to Scratch - Scratch Block Puzzle

Arrange Scratch blocks in the right order to achieve a given result. Challenge 1: 'Make the cat say hello and walk forward.' Blocks: [when green flag clicked] [say 'Hello!' for 2 seconds] [move 50 steps]. Challenge 2: 'Make the cat draw a square.' Blocks: [when green flag clicked] [pen down] [repeat