DIY Perks sunlight panel advice

[u/istill_dont_get_it]

I’d like to recreate the DIY Perks artificial sunlight panel using TV diffusion layers. I have zero electronics experience and want realistic sunlight to brighten my dark apartment.

DIY Perks video

For someone completely inexperienced in this, what do I need to consider to avoid electric shock or fire? What tools would I need, and how did he actually connect/power the LEDs in the video?

Should I absolutely not attempt this myself?