Inside a Temu ripple cube - with schematic

This cube formed part of my first order from Temu (not a sponsor) who did actually ship the stuff to this little island in the Irish Sea via Royal Mail.
When the package arrived this part was making an ominous rattling noise, as the motor and disk assembly had come adrift during transport. It really needs a different glue, since hot-melt doesn't stick well to waxy plastics.

To remove the cube cover, drizzle some isopropyl alcohol - which is also called isopropanol and rubbing alcohol - down the sides of the cube where it enters the wooden base. Isopropyl alcohol releases the bond of hot melt glue quickly. Once the cube is off you can re-glue the motor assembly in. But you do have the option of removing the PCB, replacing it with a bit of aluminium as a heatsink and adding your own choice of higher power single colour LED with a suitable resistor.

The four other LED positions on the PCB are all in parallel with the one in the middle to allow for other LED placement options.

This unit produces a nice effect, and it has a handmade feel to it due to the manual assembly of the cube section from squares of rippled plastic.

These type of lights are often worth buying just for the motor, ripple disk and the other rippled plastic panels.

I got it from this listing if it is still there:-
https://www.temu.com/goods.html?_bg_fs=1&goods_id=601099515492353
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