Features:
Great DIY fidget spinner kit for electronic enthusiasts, easy to install.
A great DIY toy for relieving stress, anxiety & boredom, focusing attention, killing time, etc.
4 modes 16 combination effects of LED light display with auto power off function in 30 seconds.
3 CR1220 button batteries for power supply, convenient & quick for use.
The circuit board is composed of blue & green LED, with each group of 12pcs 0805 chip LED, controlling the display effect with a light touch switch.
Specially designed to keep your hands busy & your mind focused.
With acrylic housing, components can be well protected & the LED finger spinner looks stylish.