It’s a simple pen stand but with a twist. Every time someone removes the pen from the stand, it displays an LED animation, counts how many time pen has been removed and can also play Slot Machine game.
Adafruit NeoPixel Shield for Arduino – 40 RGB LED Pixel Matrix: Put on your sunglasses before putting this shield onto your ‘duino – 40 eye-blistering RGB LEDs adorn the NeoPixel shield for a blast of configurable color. Arranged in a 5×8 matrix, each pixel is individually addressable. Only one pin (Digital #6) is required to control all the LEDs. You can cut a trace and use nearly any other pin if you need some customization. (read more)