AiJH Baby Soft Silicone Stacking Tower Blocks Ring Stacke Kids Toy Toddler Learning Educational Toy. Safety Certifications: Compliant with CE, CPC, ASTM F963, EN71, CPSIA, RoHS standards. Educational Design: Features animals, numbers, shapes, and letters to foster visual development. Low MOQ: Minimum order quantity starts from just 1 piece for flexible purchasing. Fast Delivery: Lead time as short as 1 day, with peak season delivery within 15 workdays. Full Customization: Supports custom molding, logo design, packaging, and color personalization. Manufacturer Direct: Direct from factory with 19+ years experience and two self-owned plants.