✅ EACH BUILDING BLOCK SET INCLUDES:many take apart blocks in various colors and shapes, an electric drill, a screw driver, and 3 different shaped screws. All of them are nicely packed in a plastic container for hassle free storage and transposition. Each STEM learning blockset has a total of 193 pieces. More blocks, more options, more constructions, endless funfor your little ones! Assemble and take apart in secs!