mouse = plr:GetMouse()
--This has to be a local script.
function onClicked()
local x = Instance.new("Explosion", Workspace)--This means create new explosion in the workspace.
x.Position = mouse.Hit.p
x.BlastRadius = 5
x.BlastPressure = 99999999999
end
mouse.Button1Down:connect(onClicked)
-- how to use? Just Left Click it gonna explode on u click XD