National Mole Day T-Shirt

* 10-23 National Mole Day * Tee Shirts are available in several colours, style and sizes for adults and kids. * Choose font style and colour, change the text or remove text option. * Click the CUSTOMIZE button to get started! * This design can be transferred to hundreds of products, too! * * * ( "Mole Day is an unofficial holiday celebrated among chemists and chemistry students on October 23, between 6:02 AM and 6:02 PM, making the date 6:02 10/23 in the American style of writing dates. The time and date are derived from Avogadro's number, which is approximately 6.02 x 10 23, defining the number of particles (atoms or molecules) in one mole of substance, one of the seven base SI units." ~ Wikipedia) - - - The *Todays Event* Store has a few items for some major holidays, but mostly for the lesser known holidays, days of the week, etc. Categorised by month of the event. If you are looking for a specific holiday, please visit the store.