The MAXI size is perfect for children. Tip is resistant to knocks and pressure. Water-based paint which creates bright,easily-applied colours that can be mixe together. It is best to use this type of tip to colour surfaces such as walls. It can be easily washedout of most fabrics (soak the item in cold water for an hour and then machine-wash on a cold setting). With a perforated safety cap. For ages 3 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.