Kemi -baren er Great Science Kit med fire mini -lab -eksperimentsæt i kombination: polymer sne

at der arbejdes ind i huden

de vælger

Leder du efter at bringe et strejf af neon ind i dit liv

duinotech 24x rgb led circular module board Occasion > Birthday > 30th Kemi -baren er Great ScienceAdd dazzling circular shaped LED patterns to your next project or costume with this addressable RGB LED ring module. It measures 72mm in diameter and features 24 x RGB LEDs with 256 brightness levels. Runs from 5V, features reverse polarity protection, and has onboard WS2812 circuitry that allows you to control it with just one data input. A data output enables you to easily cascade multiple displays.