I'm a big Portal fan, and I've been wanting to make my own lemon grenade ever since I spotted this one
last year. That one has a soundboard in the display base, but mine makes a "tick-tick-tick BOOM" sound when you pull the pin and press the handle, which is a fun little extra. (Here's a quick video
of it in action.) It's a simple mod that shouldn't cost you more than $10 in materials - not including the display - and only requires a few hours to do.
(You can also see this tutorial on my blog, Epbot
, where I have a few extra process photos - and I'm actually giving away one of my two lemon grenades over there next week, so feel free to mosey on over if you'd like a chance to win.)
Ok, let's get started!