Use your Game Master Decoder Ring to create secret codes or create your own with the new GAME MASTER NETWORK invisible ink pen.
Use the UV light at the end of the pen to see your secret code with a press of a button.
Each pen comes in the GAME MASTER NETWORK pull out secret box and two invisible ink refills and one regular ink refill for the days that you just want to journal.
**All International customers are responsible for any custom/vat fees that occur when the product arrives in your country**
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