Ikea Felt-tip Pen, Pack of 12, Assorted Colors Package quantity: 12 pack. Assorted colors These easy to grip felt-tip pens in vivid colors will trigger your childs creativity. Marks from the felt-tip pens can be removed from most surfaces and materials using soap and lukewarm water, however, its important to remove any marks as soon as they occur. The felt-tip pen will not dry out if left uncapped for up to 3 days. For long-lasting performance, however, replace the cap immediately after each use. Recommended for children 3 years and older.