Drop-in Thursdays at the Caltech Library TechHub returns! Ramp up to celebrate Mole Day and Avogadro's Number (6.02 x 10²³) in October by crafting your own mole plushie with TechHub’s DIY tools. 

All tools and materials available free to attendees. Drop in any time between 11:00am and 2:00pm at the TechHub on first floor of Caltech Hall.