Description: Play the best online Block Stacking 3D free at Friv Puzzle Games. Including Block Stacking 3D, Friv Normal, Friv Games, Friv4school online! Block Stacking 3D has free games that you can play Friv games online. Friv 4668 new free games are always being added. Join the fun and let your boys and girls be entertained for hours in Block Stacking 3D on FrivNormal.com!