25 pcs Pre-soldered Micro Litz Wired Leads Pure White SMD Led 0603 ((Warm White Red Green Yellow Blue Pink UV Available)) https://www.amazon.com/dp/B07P5MYG1X/ref=cm_sw_r_apan_i_DK1XT9FFRJRT4ZXVZ4FG?_encoding=UTF8&psc=1

The battery holder its the 1220 brown color ones, but i use the cr1225 high power batteries, the switches are micro slide 20 pcs one, im being specific because those are the ones i use , but of course you can use whatever batteries you want or switches, but i find those to be perfect cause theres alot of room left for other stuff

I used micro led lights from amazon and taped the wires to a button battery below, this model was surprisingly easy to wire!

25 pcs Pre-soldered Micro Litz... https://www.amazon.com/dp/B07P5MYG1X?ref=ppx_pop_mob_ap_share