Amazon has a 12-pack of Secret Message Invisible Ink Pens with Black Light for just $6.10 right now. Get FREE 2-Day shipping with Amazon Prime or FREE Super Saver Shipping on orders of $35 or more.
My son’s friend just gave him one of these and I was reminded of how much fun they are! Kids will love writing secret messages to each other. This is also a great idea for a party favor – and at this price, grab a couple!
Note: If you don’t need these right away, there are a few other cheaper options in the right sidebar, but they are not eligible for Amazon Prime.
Remember – Amazon prices change frequently and without notice. Please verify that this price hasn’t changed before purchasing.