Mora Jai Box from Blue Prince

all the modded parts to use 14x 8x8x8mm switches (dpdt)
https://www.amazon.com/Button-Switch-Self-Locking-Square-Latching/dp/B0FJQB8VTB
for the 13 gameboard switches, pop apart the switch and carefully remove the latch

6x6x9 tactile spst switches here
https://www.amazon.com/uxcell-Tactile-Tact-Button-Switch/dp/B008DS1F6E
just print the 6x6x9 button board and plungers to use them instead of the 8x8x8

a WS2812B 30 LED/m strip (13 leds needed, 3x3led long, and 4x individuals)
https://www.amazon.com/WS2812B-addressable-Neopixe-Non-Waterproof-16-4FT/dp/B09MTKB1G5
so its fewer cuts and flexable to stay above switches using much less wire

also modded the lid and box for stronger hinges
box has mount for usb c lipo charge/protect board
https://www.amazon.com/dp/B0C3LB3JSZ
and mount for 18650 holder and battery door/cover
https://www.amazon.com/DIANN-10pcs-Battery-Holder-Single/dp/B0BJV7SK5D

.ino file includes sound, you will need a passive 5v speaker/buzzer
https://www.amazon.com/Terminals-Electronic-Electromagnetic-Household-Applicances/dp/B09BW1F9TT
*note passive require ac, do not use dc buzzer

modded buttons are hollow with thin top, light shines through even gray/dim white
and all colors, no need for clear/transparent filament or dual color printing

buttons models, brackets and all modded parts do not need supports
ws2812b leds snap in place, switches slide into place, just need to trim off 3 legs of power switch

and the libraries for pcm.h wire.h and Adafruit_NeoPixel.h

code has plenty of comments and debug,
you can remap buttons or change led order easy enough

arduino nano hookup
pin d2-d4 and d5-d9 are for buttons
d11 speaker + and  gnd spekaer -
d13 ws2812b data, and +5v and gnd
9v batteru connector to vin and gnd, going through power button

solve or double tap any corner to cycle netx puzzle. all 15 box puzzles available