With this part set (and some stock parts) it will be possible to recreate your own versions of Energia, Energia-M, Vulkan or Zenit. That doesn't stop you from making anything else you wish using them however, so go crazy!
Part List
5m
- Tanks of various lengths
- Tank nosecone
- Nosecone
- Decoupler
- Core stage engine cluster
3.75m
- Nosecone
2.5m
- Tanks of various lengths (mainly those not present in stock)
- Slanted nosecone (with sepratron built in)
- Slimline Decoupler
- High power engine
Adapters
- 5m->3.75m
- 5m->2.5m
Please see the the thread on the official forums for more information and discussion.