11. The snake
Required material: chequered board with labels; 24 ‘Go Forward’ cards, 8 ‘Turn Left’ cards, and 8 ‘Turn Right’ direction cards; Larger cards are recommended for the floor version. 24 pieces of paper are also needed to be placed on the squares already visited. As an alternative to the deck of CodyRoby cards, you can use the card icons available here
Q1. Are there any starting points that make it impossible to visit all the squares without biting the snake's tail?
If you are interested in more unplugged activities, or activities in different programming languages, robotics, micro:bit etc., check out the EU Code Weeks “Learning Bits” with video tutorials and lesson plans for primary, lower secondary and upper secondary schools. Also have a look at the EU Code Week resources page for learners and teachers.