Here’s what’s confusing (from the maker’s website):
Please carefully read the warnings before Instructions for use! This is a strange game of new models, not in the traditional sense of the toys! Not suitable for children under 14 years of age to play. Chance of the game have certain shock effect, and electronic devices such as pacemakers have certain interference, sudden illness with heart, epilepsy, and the like sudden illness or those who reacted strongly against electric shock do not play.