If you mess with the life of PUMP, LCRY, PCLN, or HSWC, they flash! If you set the life of lava to a negative value and have the simulation paused, it will start glittering like sparkles lol... The other 3 boxes just cover known glitches...
*Note: The lava glitch is not saving correctly, so for now try giving it negative life your self...
Also, make a blank page, then put a block of lava in the air and pause... Then go to console and type: set life lava -0999999999 Then exit console (still paused) and look at the lava in fire mode... It glitters lol...