public void AddPrize(LuckyDipPrize prize)
{
if (!Prizes.Contains(prize) && OnAddPrize(prize))
{
Prizes.Add(prize);
}
}
public void RemovePrize(IPrize prize)
{
if (Prizes.Contains(prize))
{
Prizes.Remove(prize);
_drawer.Remove(prize);
}
}