The pilot was carrying out practice circuits with an instructor to regain currency and requalify. After completing a couple of approaches leading to go-arounds, his instructor took control and demonstrated the correct technique. The pilot then flew a normal approach but the aircraft bounced twice on landing. He selected full power to go around but, despite the application of aileron, the left wing dropped and the wingtip contacted the runway. The aircraft came to rest on the grass at the edge of the runway having sustained significant damage. The pilot and instructor were uninjured. The pilot considered the cause of accident to be his lack of currency leading to a mishandled landing.