Turns to its left side, morphing into an armadillo-like creature
The egg dessamates, revealing multiple different, smaller versions of the original, which fly around frantically
Hands, feet and red eyes materialise, all giving separate actions: the hands give a Mexican wave, the feet contort, and the eyes blink
The bottom of it cracks, revealing a pair of green, dinosaur-like legs which run arond aimlessly
The patterns spin
Name: Mystery Egg
Collect series 2 of the Mystery Eggs and see what your surprise is! 1 of 3. Designed by richemerald.
Rotates and reveals lips which expand and kiss the screen
Collect series 2 of the Mystery Eggs and see what your surprise is! 1 of 3. Designed by Bonehead77789.
The egg shrinks and becomes a piece of bread, with a knife appearing out of thin air next to it, which cuts it into multiple different pieces
Collect series 2 of the Mystery Eggs and see what your surprise is! 1 of 3. Designed by amzo765.
The first Russian Doll, the egg itself, splits open to reveal another Russian Doll, which rinses and repeats this process until five dolls are onscreen; they rotate left and right and collect up, recreating the first frame
The SWF for the Coil Egg is known as "coil_egg1.swf", emphasis on the "1"; the reason for this is most likely due to its SWF file also containing the Cracked Egg which, for two frames, appears as the Coil Egg.
The Heart Egg was used as a "Moshling" in The Moshi Monsters Movie. It appeared alongside Moshlings in the background in various scenes.