All our products are manufactured new here in the UK. Should any fault be discovered that is down to a manufacturing issue returns are accepted for three months from the date of purchase. However, warranty is void once any construction is started on a kit. before starting please check that all parts are included. If any parts are missing or damaged please telephone us at (+44) 1623 406003 / (+44)7921639978 or email to nigel.booth@kwelectronics.co.uk for replacement.