Semtex and a detonator is right. Well done, you budding terrorist, you. This reminds me of a haiku:
Terrorist badger
Makes a dam out of timers
Handy alarm clocks
This means you have succeeded in reaching the last question with two lives in hand. Let's see if you can finish the run as successfully. Here's Question 7.
[a rogue, a penny, a total _______]
hairdo
pony