In addition add a piezo buzzer to the circuit, if the poster is in your teenager room so that you can summon him/her down when the dinner is ready.
As part spark powered command center code your teen will has 3 warning before he/she is Grounded !!
#Warning 1 - NeoPixel LEDs on Rocket are yellow and there is one beep
#Warning 2 - NeoPixel LEDs on Rocket are Red and there are two beep
#Warning 3(final warning) - Rocket's eyes are Red and other 3 NeoPixels below his head keep changing color and the buzzer keep's beeping continuously ..
#And you can Reset at any point in time, if he/she is at the dinner table.
For more pictures and info refer to the link below