Item DimensionsWeight: 2.2 pounds（1KG）Recommended Minimum Age:> 3 years oldMaterial type: sand， polymerWe offer the best quality of kinetic sand in China.Our kinetic sand is soft and stretchy.Easy to mold! Easy to release! It is alive， it ia amazing. Non-toxic.Meets CPSC safety requirements. Is Kinetic Sand Safe?Kinetic Sand is 100% safe.As with all toys， children under 3 years should be supervised at all times whilst playingwith Kinetic Sand.For complete product safety information please download our product statement.What is Kinetic Sand Made From?Kinetic Sand is 98% sand and 2% Magic.The magic is a non-toxic， synthetic polymer.The process of making Kinetic Sand is protected by international patents.Why is my kinetic sand sticky and crumbly?It sounds like your sand has mixed with water or your hands were slightly wet beforeplaying with the sand. When wet the sand will change properties and get a bit sticky andcrumbly.Don't panic. Just spread it out and put it out in the sun for an hour and it should dry outand return to the original consistency.Can you mix Kinetic Sand with Water?No. Water will change the magic binding agent and alter it's performance.If contact with water occurs spread out and place in the sun.I live in a really humid location， will that make the sand act differently?Places with very high humidity may notice the sand is more sticky than in the videos. Ifyou live in a really humid location we recommend playing with the sand inside， prefer