upcycling-jackolantern For your kids, let's make a portable interactive jackolantern with upcycling skill. SW upcycling Reuse simulated candle logic for jackolantern light. https://learn.adafruit.com/circuit-playground-jack-o-lantern/halloween?view=all Reuse celebrateSong() when candy is inserted into portable plastic jackolantern. https://github.com/adafruit/Adafruit_CircuitPlayground/blob/master/examples/Microphone_Demos/Birthday_Candles/Birthday_Candles.ino Reuse tap logic to detect candy insertion. https://github.com/adafruit/Adafruit_CircuitPlayground/blob/master/examples/accelTap/accelTap.ino HW upcycling Reuse a portable plastic jackolantern bought last year Reuse a Adafurit Circuit Playground got for education purpose Reuse a 6V battery pack of black&decker alkaline screw driver Reuse a 2 PIN JST got from mini RC helicopter toy HOWTO 1. Upload combined upcycling-jackolantern.ino to Adafruit Circuit Playground 2. Connect a 6V battery pack with Adafruit Circuit Playground 3. Place it in a portable plastic jackolantern 4. Check simulated candle light and interactive melody when inserted candy Below image is linked to youtube 5. Give it to your kids and start "Trick Or Treat"