LOZ Diamond Block Mini Nano Micro Building Block Series Child Gift Starwar Darth Vader Micro-sized building blocks will enable you to execute even the finest details like never before A 3D work of art that fits in the palm of your hand, create details with assorted sizes and colored pieces. Material: Non-Toxic Plastic, Block type: Diamond blocks 190-piece set of micro-sized building blocks, come with an assembly instruction Shipping time: 8 to 16 working days to the US