THIS AUCTION IS FOR A VINTAGE, SOMEWHAT STILL FACTORY SEALED, ENTEX LOC BLOCS BASIC BUILDING SET 1 NUMBER 1601. FOR BOYS AND GIRLS 5 AND OVER. COMES FROM A SMOKE FREE HOME. PLEASE EMAIL ME WITH ANY QUESTIONS AND THANKS FOR LOOKING. I NO LONGER ACCEPT RETURNS UNLESS THE ITEM ISN'T AS DESCRIBED. THANK YOU.