One kind of wild walnut for people to play with is "Yunnan walnut". Yunnan Walnut is a wild walnut variety, with a hard shell and a small and delicious kernel, and is known as the "prince of dried fruits". Because its shape and size are suitable for handicrafts and ornaments, it is widely used for enjoyment. Yunnan walnut can not only be used as a toy, but also be cooked or made into various delicacies, such as walnut crisp and walnut candy, which has high nutritional value and gourmet value.

　　One kind of wild walnut for people to play is Siraitia grosvenorii. Siraitia grosvenorii is a common fruit tree, and its fruit is a kind of nut with shell, which can be used to make all kinds of sweets, preserves and other foods, and can also be used as people's entertainment toys. Besides Siraitia grosvenorii, there are some other wild nuts that can also be used as people's entertainment toys, such as pecans and hazelnuts. These nuts usually have hard shells and lovely shapes, and can be played by throwing and smashing.

　　One kind of wild walnut for people to play with is "playing walnut". "Playing Walnut" is an ancient wild plant, mainly distributed in the central and southern regions of China. Its fruit is similar in shape to walnut, but its shell is thick and its nuts are small and bitter, so it is usually used as toys for people to play with. In addition, there are some small plastic toys similar to "playing with walnuts" on the market, which are similar in shape and size to the real "playing with walnuts" and can also be used for people to play.

　　One kind of wild walnut for people to play with is the "triangle maple" variety. 2 "Triangle Maple" variety has smaller nucleolus and thinner shell, which is easy to peel off, so it is more suitable as a toy or snack variety. Besides "Delta Maple" varieties, there are other walnut varieties that can be played by people, but their shells are hard and not suitable for direct consumption, and they need to be processed before they can be eaten.

　　One kind of wild walnut for people to play with is black walnut. Black walnut is a kind of plant with hard shell and kernel inside. Its fruit is edible, but it is usually used to make walnut oil or for people to enjoy. Its appearance is black, its shape is spherical or oval, and its surface has many raised edges and corners. Because its shell is hard, it needs some tools to open it. Besides black walnut, there are other wild walnut varieties for people to enjoy, such as white walnut, walnut and pecan, which all have different appearances and characteristics.

　　One kind of wild walnut for people to play with is Quercus variabilis peanut. 2 Quercus variabilis peanut is a kind of wild plant. The outer layer of the fruit has a hard shell and contains nucleolus, which can be used as a toy to play. 3 Quercus variabilis peanut is native to the southern mountainous area of China, and also distributed in Japan, Korea and other places. Its fruit can not only be eaten by human beings, but also be used as feed, and it is also an important plant resource in the ecological environment.

　　One kind of wild walnut for people to play with is "three-split walnut". 2 Tri-split walnut is a wild walnut variety, so it is named "Tri-split walnut" because its shell has three cracks. This kind of walnut has a hard shell and hard pulp and kernel inside, which is very suitable for decoration or entertainment. 3 Tri-split walnut is also a kind of food with high nutritional value, which is rich in nutrients such as protein, fat, carbohydrates, vitamins and minerals, and has many benefits to human health.

　　Wild walnuts for people to play generally refer to hard-shelled walnuts (Juglans regia subsp. sinensis), also known as walnuts and round walnuts. Hard-shelled walnut belongs to Rosasubfamily of Juglandaceae, which is a kind of tree with a height of 30 meters, stout stem and broad crown. The leaves are pinnately compound, 2040 cm long, with 511 pairs of leaflets, oval to oblong in shape, and the leaf margin is serrated. Dioecious, male flowers have long inflorescences, and female flowers are located at the end or near the end of pedicels. The fruit is a nut, which is spherical or oval in shape. It is green when it is immature in the early stage and turns brown when it is mature. The inner hardness of the shell is high, so it needs to be knocked hard to open it, so it is called hard-shelled walnut. Hard-shelled walnut is often regarded as a high-grade nut because of its delicate fiber, delicious taste and high nutritional value. In addition to eating, hard-shelled walnuts are also used to make landscape trees and wooden utensils.

　　This kind of wild walnut for people to play refers to "white walnut", also called "crock walnut". White walnut is a kind of wild walnut with hard shell and small inner core, which is not suitable for eating, but its hardness and smoothness are very suitable for being used as toys. If you want to buy white walnuts as toys, you can search and buy them on some cultural and creative websites or agricultural products websites.

　　A wild walnut for people to play with is Juglans regia, also known as English walnut or French walnut. This walnut is native to Central Asia and Eastern Europe and is widely planted all over the world. The shell of European wild walnut fruit is hard and light brown, while the kernel is an edible part, which tastes delicious, sweet and delicious. However, in addition to human consumption, European wild walnuts have other uses. For example, walnut wood can be used to make furniture, floors, doors and windows; The leaves and bark of walnut can extract medicinal components, which have good effects on cardiovascular system and digestive system. It is worth noting that in the wild environment, wild walnuts often contain high radioactive element plutonium. Therefore, the walnuts we usually buy in the market are basically planted artificially, not wild.