spirit is in every where, even if your house is placing any alter like you’re praying to Chinese god at home or you’re R.C praying to jesus or any kind of god you’re praying to, it is still invite those kind of a spirit into our house, well…what choice do we have, chase them away? with what??? playing marble middle of night with all those sound, from above of your home, you’ll be surprised one of these day the spirit will come & look for you, ask you to join them for have some fun to play marble with them or worst still he or she will wake you up in the middle of the night & ask you to go to the toilet for wee..wee, in a most scary voice you have never come across in your whole life, let them be, try not to disturb them.