1. Egg Picker:
Find a bamboo tube with a diameter of about 25 cm, which is slightly larger than the diameter of duck eggs. Seal one end of the bamboo tube and saw the other end as a bevel. Saw off along the quarter diagonal of the circular end face of the bamboo tube. Then put the wooden handle on the edge of the bamboo tube and make it. When in use, the bamboo tube is laid flat, the oblique mouth faces the duck eggs, and the eggs are put into the tube. Pick up five eggs and put them in the basket.
2. Automatic water feeder:
Nail an upright post beside the sink, and nail two lead wire bending bottle clamps on the upright post. First pour some water into the sink, then fill the bottle with water, block the bottle mouth with your fingers, and turn the bottle upside down so that the bottle mouth is next to the water surface of the sink. Release your fingers, the bottle flows horizontally, and the air pressure works. When the chicken drinks water, the water level in the tank drops from the bottle mouth, and air enters the water bottle from the bottle mouth, making the water flow worse. The bottle mouth of the tank surface is flush, and the water flow can automatically add water to the water feeder.
Make homemade bookmarks
Cut colored paper or other materials into a rectangle with a specified size, draw a beautiful pattern or text in the center, and then glue it on the pressure belt with transparent glue, which can be used as a bookmark.
Make a simple night light
Use an empty bottle or other transparent container, put an LED bulb in it, and then wrap it with colored paper or other materials to make a simple nightlight.
Make a homemade pen container
Cut waste paper boxes or other materials into rectangles of suitable size, and then glue them together with transparent glue to make a homemade pen container.
6. Make a simple DIY ballpoint pen
You can easily make a DIY ballpoint pen by using sticks, ballpoint pens and other materials.
Supplementary information:
The significance of scientific invention:
We can improve, reform and innovate everyday things. Enhance children's intelligence. According to Baidu Encyclopedia, scientific inventions can improve, reform and innovate everyday things.
Can enhance children's intelligence and practical ability. Scientific invention refers to the improvement, reform and innovation of children's daily things by using their existing scientific and technological knowledge and practical ability. Scientific gizmos are the science around utility models.