YouCute Micro Blocks,New Swan Stone Castle,Small Building Block Set (Eiffel Tower) DISCOVER MICRO BLOCKS: Great VALUE, an alternative to large, expensive building sets! Great level of detail! The perfect gift for a budding builder or collector! EDUCATIONAL TOOL: Loz micro-sized building blocks help enhance budding builders' gross and fine motor skills, spatial awareness, and storytelling capabilities VERSATILE: Compatible with Nanoblocks, not Lego blocks; Recommended for ages 6 years and up QUALITY & SAFETY: Made from high-quality durable non-toxic green material, Loz micro blocks are flexible and won't damage easily. Their smooth surface and rounded corners are designed to make them kid-safe DETAILED: Includes very detailed step-by-step color instructions