An idea, very roughly implemented, to teach the students how neurotransmitters can cross a synapse, attach to receptors and sent the signal further on. I think it went well, so I will probably make this map a bit more visually accurate/appealing.
A few redstone bugs, but great fun anyway.
Find out about the mod here.
http://minecraftedu.com/
Follow my blog of using it with students here.
http://minecrafteduelfie.blogspot.com/