The most convenient reference guide available – the Periodic Table poster Pen.  This pen holds a double-sided, updated Periodic Table.  The back side is a handy miniature reference chart.   A great reference right at your fingertips for both students and teachers!

Features:

• Functioning pen
• Paper scrolls out to reveal complete updated periodic table of elements
• Reverse side features a reference guide with conversions
• Excellent for chemistry students and teachers

Order your customized periodic table poster pens today at bayfan.com! Delivery time will 4 weeks to your door by courier like DHL/Fedex/UPS/TNT. If you are in hurry, we also offer 15 urgent delivery service.