box(integer cstate){
    if(!cstate){//closed
        llSetLinkAlpha(2,1,-1);
        llSetLinkAlpha(3,0,-1);
    }
    if(cstate){//opened
        llSetLinkAlpha(2,0,-1);
        llSetLinkAlpha(3,1,-1);
    }
}
key sound_uuid = "02733e43-1ad9-237e-ce7a-8ac498fabcf0";// "af9f79fa-3b59-01f7-5eee-0dab9ef0e16c";

default{
    on_rez(integer r){
        llResetScript();
    }state_entry(){
        box(0);
        llSetText("Touch me to unbox!",<0,1,0>,1);
    }touch_start(integer ts){
        if(llDetectedKey(0) != llGetOwner())return;
        llTriggerSound(sound_uuid,1);
        box(1);
        integer x = 0;
        integer s = llGetInventoryNumber(INVENTORY_ALL);
        list given;
        for(;x<s;++x){
            string cn = llGetInventoryName(INVENTORY_ALL,x);
            if(cn != llGetScriptName()){
                given += cn;
            }
        }
        llGiveInventoryList(llGetOwner(),llGetObjectName(),given);
        llDie();
    }
}