Sci-fi Grenade concept

Concept of sci fi thermobaric grenade.

Principle:
Device consists of a container of fuel and explosive charges.  First explosive charge disperse the fuel in a cloud that mixes with atmospheric oxygen. Another explosions detonate the cloud, creating a massive blast wave. Various fuels in cannister are coded by colour of canisters which is visible through transparent case made of acrylate polymers.

Work is mine. Work has been made in 3ds max + vray as rendering engine. Completed in Photoshop.  Picture is bigger to see details.


So what do you think. Do you like it or not? tnx for comments if any. bye.

P.S.
I did several grenade concepts in different styles. 

1. Frag grenade concept 
2. EMP grenade
3. Grenade concept
4. Sci-fi Grenade concept