(Thanks to eBay VERO department for the advice on the correct wording for the listing) This is a MOC build of The X-Mansion(76294) Boxed set which is 100% COMPATIBLE with LEGO. Please be sensible and accept this description- it is NOT LEGO brand but is a mirror image tooled build at a fraction of the cost - we accept the wording guidelines from eBay VERO to indicate this is a compatible build.
