HOW TO GLOW: Simple put the slime under sunlight for few minutes then observing in the dark, the spectacular slime will glow in the dark. HOURS FUN FOR KIDS:Kids find the gunk so fascinating! It's neither liquid nor solid, and it can change in many ways, keeping them entertained for hours.SOFT SLIME,Our boys girls slime made from premium material. No sticky, super stretchy and soft, does not leave any slime on hands. It also has good scent. WARM TIPS: Slime toy for play only, Can not eat, Recommend for kids 5and Years - Don`t play on carpet - Store back the galaxy slime into the jar and cover it after use, so it will not dry out. SAFE AND NON-TOXIC: Our slime balls are made from non-toxic materials and are safe for kids to play with. Parents can rest assured that their children are playing with a safe and enjoyable toy. PERFECT FOR ANY PARTY: Whether it's a birthday, graduation, easter, halloween, Christmas or any other special occasion, our galaxy slime party favors are a must-have for any party. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.