What Should I do With 20 Imac G3's ?

My school is giving me 20 Imac g3's and i Have one i got 7 years ago But what should i do with them... Im thinking to max out the ram and the hard drives and meke them servers with storage for my mac book... I love apple alot and i my imac is running 10.4 i have 4 other disks of 10.4 so im not shure what i should do there are the early and the new ones also... should i save up for a g4 server? also so they can act as clients? i got a 50 port network hub also and i am going to buy a lot of network cables and also they are giving me a 7200power mac and a g3 server and a g4 emac so how would you confing this? I am not sellingthem or puting them in the trash or smashing them what should i do