408PCS City Creative RC Robot Electric Building Blocks Technical Remote Control Intelligent Robot Bricks Toys For Children. Recommend Age: 4-6y; Recommend Age: 7-12y; Recommend Age: 12+y; Gender: Unisex; Block Size: Small building block ( Compatible with Lego); Certification: 3C; Model Number: rc robot blocks; Type: Compatible with lego technic; Warning: Can not eat; Material: Plastic; characteristic 1: Christmas gifts, New Year gifts. Birthday gift; characteristic 2: toys for children,kids,toys for boys; characteristic 3: DIY Toy,Educational Toy; characteristic 4: Remote Control Robot Building Blocks; characteristic 5: Remote Control Electric Intelligent Robot Building Blocks; characteristic 6: Enlightenment toy for children; 1.MATERIAL & BRICKS NUMBER: High Quality ABS Plastic Building Blocks Bricks. 2.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. 3.EDUCATIONAL TOOL: micro-sized building blocks help enhance budding builders' gross and fine motor skills, spatial awareness, and storytelling capabilities. 4.QUALITY & SAFETY: Made from high-quality durable non-toxic green material, micro blocks are flexible and won't damage easily. Their smooth surface and rounded corners are designed to make them kid-safe. 5.DETAILED: Includes very detailed step-by-step color instructions. 6.Tips: This package does not include the original box. 7. After receiving the parcel, If any parts are found to be missing. Please contact me in time. I will send you some substitutes.