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Knock Knock Overachiever / Underachiever Inner Truth Pen
Knock Knock Overachiever / Underachiever Inner Truth Pen
Knock Knock
The old floaty-pen format you know and love has gotten a makeover. When these pens hit paper, they show an outward message to the world, but when they flip over, they reveal what's really on your mind. Watch the words move back and forth for a mesmerizing take on contract signing, letter writing, and random doodling!
| Media | Merchandise MERCH (Merchandise) |
| Released | May 8, 2017 |
| ISBN13 | 9781601069719 |
| Label | Knock Knock |
| Dimensions | 156 × 24 × 26 mm · 500 g (Weight (estimated)) |
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