For the elderly, the main thing is to get what they want, and the elderly are not very good at accounting. But it is more meaningful to know what they like, need and want with your heart, which means that you care about them with your heart. Of course, if you are often away from home and are not familiar with the preferences of the elderly, you can consider buying some practical health care products/appliances. Such as massage cushion, waist warmer, knee warmer, health shoes, hand warmer or foot warmer, massager, electronic pressure cooker, etc.

If the elderly with special diseases can consider buying electronic sphygmomanometer (hypertension) and blood glucose meter (diabetes).

Personally, I don't recommend buying a massage footbath. Although it is good, it is only suitable for one person, which means it can't be used, and it is easy to spread diseases on the feet. Moreover, this kind of basin is troublesome to clean after being used for a long time. Many people around me put it on hold after a while.

It is also not recommended to buy health food, because the health food on the market is mixed, so don't spend money to let your family eat it.

If the elderly like sports or listening to songs, they can buy speakers and copy some sports music for the elderly, so that they can have more activities. Such as Tai Ji Chuan and aerobics. If the old people like dancing, they can also copy some fitness dance music for them.

Grandpa, grandma, dad and mom can give the same thing, or choose a gift according to everyone's situation. However, it must be noted that if you want to send them together when you go home at one time, the value of the gifts for everyone must be similar, otherwise it is favoritism. This should also be based on your own economic ability and ability.

As for the 4-year-old brother, you can send some educational toys, such as point reading machine, story machine (story machine, GG Bond is quite good, I don't know what? Online search). I am 4 years old, and I will go to primary school soon. You can also send some stationery or English enlightenment software to let children practice writing or start learning some English.

I hope my answer can help you. If there is anything unclear, you can ask.

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● The above contents are compiled according to the personal experience of "I don't know", which only represents personal views and opinions, and no one can modify or delete them at will; Plagiarism is strictly prohibited. If you need to quote, please indicate the source.