What are the more niche hobbies?

1. Paper development:

Paper development art, also known as paper decoration technology, is to use special tools to roll up slender paper strips into small "parts", and then create by combining these "parts" with complex styles and different shapes. It is said that this wonderful paper art originated from European monasteries in the 15th and 16th centuries.

2. Research on paper airplane:

It is a toy airplane made of paper. As long as it is made of paper, it can be called a paper plane. Origami plane is the most common form of aviation origami, which belongs to a branch of origami and a kind of paper plane. Because it is the easiest type of origami to master, it is deeply loved by beginners and even masters.

3. Seal cutting:

seal cutting is an art combining calligraphy (mainly seal cutting) and engraving (including chiseling and casting) to make seals, which is a unique art form of Chinese characters. Seal cutting rose in pre-Qin, flourished in Han, declined in Jin, lost in Tang and Song, revived in Ming and revived in Qing. It has a history of more than 3,7 years.

4. Puzzle:

As early as 176, this popular and beneficial form of entertainment appeared almost simultaneously in France and Britain. Stick a picture on cardboard and cut it into irregular pieces. At first, these pictures were all educational, either accompanied by short articles suitable for young people to read or imparting historical or geographical knowledge to the emerging bourgeoisie.

5. Lego:

Lego is a plastic building block invented by Ollie Kirk christiansen, Denmark. There are more than 1,3 shapes, each with 12 different colors, mainly red, yellow, blue, white and black. With your own brains and hands, you can spell out endless shapes, which makes people fondle. It is called "magic plastic building block".

what are the above references? Baidu Encyclopedia-Yanzhi

Reference to the above contents? Baidu Encyclopedia-Paper Plane

Reference to the above contents? Baidu Encyclopedia-Seal Cutting

Reference to the above contents? Baidu Encyclopedia-Puzzle

Reference to the above contents? Baidu encyclopedia-Lego building blocks