You are looking for a magnetic nano. Please bring tweezers and your own pen. Parking is available nearby in either St.Clair's Road or D'Arcy Road, please don't park in Clacton Road as it is a bit busy and you may cause an obstruction. Needless to say beware of muggles as this can be a busy area. Congratulations to Doggywalker and jackabeejackson on being joint first to find