Build your own light-up TARDIS pendant using a simple LED circuit and 3D printing. Grab your companion and let’s put it together! Follow the complete Tiny TARDIS Pendant guide on the Adafruit Learning System. You can grab our free 3D files and even modify the design– this is a great beginner electronics project AND a great beginner 3D project! The smaller size makes a fabulous pendant and the larger size will look fab on your favorite Doctor Who fan’s xmas tree.