The thinking skills of 11 to 19-year-olds are the focus of the Brainteasers and Puzzles website created by Caret, Cambridge University’s Centre for Applied Research in Educational Technologies. The website is split between puzzles for 11- to 14-year-olds and for 14- to 19-year-olds and the materials, and have been created with local students and teachers.
www.caret.cam.ac.ukpuzzling