Sentences with phrase «invisible ink pens»

Notes: -------- * Breakout games involve additional setup such as printing clues, color coding clues (if you let students work in teams), and in some cases writing on supplemental files with invisible ink * Supplies needed for this game include invisible ink pens, black light flashlights, and QR Readers * If you purchase this breakout and are not able to get all of the supplies, please get in touch with me.

Invisible ink pen 15.

Not exact matches

It has been said that the pen is mightier than the sword but I think in this case the pens are filled with invisible ink.