Critical thinking is a process consisting of analysis and evaluation in order to solve problems and to make decisions. Exercises in these 3 wordbooks help children develop their problem solving skills, logical thinking and reasoning, and visual thinking ability. 504 challenging exercises in this 3-workbook set: * Teddy and Mausi (level 1) * Brain Jogging (level 2) * More Brain Jogging (level 2) ***miniLUK Controller needed, sold separately***