Those crafty clever-clogs at Sugru have devised a cheap and fun way of upgrading your trusty Oyster card. It would work well as a cheapskate gift, or why not get creative and blow tourists’ tiny minds with your ‘mysterious magic ring of transport’ as you breeze through the gates with a swipe of your keyring?
Word of advice before you do – try it on a cheap pay-as-you-go card first. We don’t want to be responsible for anyone trashing their priceless season ticket.
Find out how to do it at instructables.com.
By Andy Hill