Search Products Shop by Category  Astronomy, Space  Batteries, Power Supplies  Biology  Books  Chemistry  Clocks, Watches  Crystal Growing  da Vinci Gear  Dinosaurs  Einstein Stuff  Electronics  Fun, Toys & Gifts  Games & Puzzles  Geology & Fossils  Glow-in-the-Dark  Laser Pointers  Light & Optics  Magnets  Microscopes  Physics  Posters, Postcards  Robots  Science Kits  Software & Videos  Solar Stuff  Study Charts  Telescopes  Videos (DVD)  Weather Instruments Shop by Price:  under $5  $5 to $10  $10 to $20  $20 to $50  $50 and up Shop by Age:  5 years old  6 - 7 years old  8 - 9 years old  10 - 11 years old  12 and older Store Info:  Catalog Request  Help / FAQ  Contact Us  Terms Of Use Order Tracking: Order No.: Password:		Cart items: 0 Total: $0.00     Invisible Writer 2-in-1 Pen »  Science eStore Home  »  Fun, Toys & Gifts  »  Invisible Writer 2-in-1 Pen click here for larger image Price: $9.99 Sale Price: $7.95 each Item No: 12673 In Stock: 17 units in stock Ships same business day. Quantity: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17   Checkout will continue via our new website: The Invisible Writer 2-in-1 Pen is 2 fantastic pens in one! Write in both invisible ink that is only detectible with the aid of a black light (which is included on the cap of the pen) and in regular black ink. Make cryptic messages that are great for passing notes in class or keeping secrets from others! A sure hit with any avid gossiper! Even comes with 3 button cell batteries so you don’t have to worry about having to make a trip to the store to buy batteries for the black light cap! Also great to be used as a currency checker, glow charger, and hidden highlighter, and more! Box Size: 8.50in (21.59cm) x 2.50in (6.35cm) x 1.00in (2.54cm) Recommended for ages 6 and older. Weight: 0 lb 8 oz ( 0.23 kg ) Related Products   Spy Pen This combination invisible ink marker and UV blacklight flashlight is guaranteed to produce hours of fun! Item No: PL374 $12.99 $8.95 /each  View/Buy   Invisible Ink Large, 8 oz, bottle of invisible ink. Item No: PL353 $39.99 $29.95 /each  View/Buy   Invisible Spy Journal Set The coolest journal your kid can get! Item No: PL1466 $14.99 $11.95 /each  View/Buy
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