Sembo SpongeBob SquarePants Patrick Star Cartoon Building Blocks Anime Figure Assembled Toys SetMini Building Block The building block is made of high quality ABS plastic, with smooth edges, don't worry about hurting your hands. It is strong enough to hold onto another brick but easy enough for a child to pull apart. Simple to AssembleThe Micro building block set is made up of 1134 pieces micro bricks , A detailed illustrated installation manual is provided by 3d puzzles and the parts are separated into step by step packs so that players can