This is a decorative lamp from the £1 shop. Inside are RGB LEDs.
Internals removed from the base of the unit. The 3 LEDs are visible on the top & the tilt activation switch on the edge of the PCB.
Side of the PCB with the RGB controller IC, which is under a blob of epoxy.
Reverse side of the PCB, showing the battery holder & the tilt switch. This runs on 3 button cells.