Students are challenged to design and make a wind powered machine that can lift a weighted cup off the floor. This challenge is suitable for students aged from 7 to 19. Students are given minimal materials and asked to design a wind powered machine that can lift a weighted cup off the floor. Teachers' instruction sheets, related video clips and even certificates are available to download. This activity is accredited by the British Science Association as suitable to count towards a CREST Star Investigators SuperStar award.