Do not touch them with a barge pole I bought 3 this happened to minedetails on this site both Art hobby and GMC the manufacturer basicly told me to f--- off and I am now in the process of taking them to court for suppling a model which was not fit for the purpose supplied i.e. flying

The left hand wing panel broke up on my models first flight after about 20 seconds in the air

Details at this site www.iadmodeldesigns.co.uk/frontpage.htm