light up magic amulet

here is a magic amulet i made, i recommend printing with concentric using tree supports but block off the hole with a support eraser to keep them gem free and clear to light up, and use leather strip to attach the bottom gem to the amulet, and to add the trap so you can wear it as am amulet here are some links to make it light up leds:Amazon.com: DiCUNO 100Pcs (10 Colors × 10Pcs) 5MM Pre Wired 12V LED Diodes, 9.4 Inch/24CM Ultra Bright Light Emitting Diodes Assorted Color Kit Box for Circuit Science Experiment, DIY Lighting Projects : Industrial & Scientificbattery pack:Amazon.com: Alinan 5pcs Button Battery Holder Coin Cell Battery Holder with Switch CR2032 1 X 3V Battery Holder Battery Storage Boxes Cover with Wires On ON-Off Switch Socket Container (Black) : Electronics