thunder b starter pakke shockerThunder B has made a really clever system for their grenade series. Here we have their Shocker, which is a grenade with a Trip Wire, so you can set it and wait for your opponent to run over and hit the trip wire and set off the grenade, so it goes bang! Within 1 second of the stick being pulled out, it goes off. You simply put a CO2 cartridge in the included Core and screw on one of the shells. It makes a bang thud of over 130 db. The shell you are