Unplugged Activity Book level 2 This activity book is packed with fun activities to help you understand computational thinking and problem solving techniques. Things you'll need: Colouring pencils, pens or crayons.The sticker pack provided with you booklet. Topic 1 - Memory Boxes Ⅱ Topic 2 - Busy Workers Topic 3 - And, Or, Not Topic 4 - Making Choices Ⅱ Topic 5 - Divide and Eliminate Topic 6 - Loops Ⅱ Topic 7 - FIFO World Topic 8 - Trees Ⅱ Topic 9 - Secret Messages Ⅱ