Use "felt-tip" in a sentence

1. As his notes came together, forming in his mind a congruent thought or picture, he drew images with felt-tip pens on the board to represent it

2. He snapped up from his desk a red felt-tip pen, created a ‘Caroline’ board and set it in place beside Michael’s

3. have an urge to find a felt-tip pen, run back in to the

4. He, Christian, could have simply walked in, the same way that he had reached for the toy train in Tim’s’ toy box, or the box of felt-tipped pens in the nursery school