London Oster vs Travel Pass Jump to bottom Posted by Dorsey (Centennial, CO) on 03/31/12 09:04 PM We will be in London with our grandson (age 11) May/June, 2012 for 4.5 days. Recommendations for travel between sites. Oster card, Travel card, London Pass card. We are planning on purchasing the 3 day London Pass. Dorsey