2, thermometer thermos: water is the source of life, the body's normal metabolism requires the participation of water. Water can play a role in diluting blood, moisturizing the skin, regulating body temperature and other roles, the importance of water to the human body. Thermometer insulation cup in the drinking water insulation at the same time to monitor the temperature of the water, you can let their elders drink the most appropriate temperature of the water.
3, square dance sound: may be a lot of young people on the square dance of the view is very general, but if you really go with the parents of the elderly to observe a square dance, you will find that the square dance is in fact a very good sport, one is that it is getting more and more beautiful movements, some of the exercise is not small, an hour of exercise down can play a good sports effect, two is the square dance or a good social networking tool, the elderly to meet new friends together. tool, the elderly together to meet new friends, chatting, but also good for physical and mental health.