Image features 4.5mm and 5mm miracle beads. Miracle beads on the left and 5mm beads on the right. It is a little bit small, but it is small. Please note that the beads stick to water can be used together without problems, but the size is 0.5mm difference. In addition, for safety, the CE mark (products meet all EU (European Union) members of the plant submitted to SGS under the guidance of SHOP SHIMATARO. EN 71-1: Toy Safety No.1 Mechanical and Physical Properties EN 71-2: Toy Safety Parts 2 Flame Resistant EN 71-3: Toy Safety Parts 3 Movement Constant Element EN 71-7: Toy Safety Part 7 Hand Painted Paint - Requests and auditing methods have been tested to ensure product safety. This product is for ages 6 and up. In addition, accidents may be inserted into mouth, nose, and ears with similar products. Never put the beads into your mouth, nose and ears.