Reply To: Motion Notions Home › Forums › All Things LEGO! › Motion Notions › Reply To: Motion Notions November 17, 2013 at 10:47 am #4189 Dan EfranParticipant Interesting. Minifig stands…so they have proper studs on top? And a flat, magnetic bottom…that sounds pretty good for this mechanism, used upside-down beneath the “ice”. I guess I’ll order a few and try it.