15 hits to sparky lights the electric chair insert. 15 hits to the captive ball lights the coffin insert. 15 hits to the drop targets lights the grave market insert. 15 lit snake insert shots lights the snake insert. Then when all 4 are lit crank it up is lit at scoop. You have to complete the first round of shots in a crank it up mode before the scoop is lit for jackpot where you can cash it in or go on to round two to build it up more.