homemade rainbow gyro technology small production diy material package primary and secondary school science toys educational rainbow cd 自制彩虹陀螺 科技小制作DIY材料包中小学科学玩具益智 彩虹光盘

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Product Name: KX1937 Self-made Rainbow Spinner
Model Number: KX1937
Size: 60*60*35 mm
Weight: Approximately 60g
Material: Metal components + paper
Color: 7 Colors
Battery usage: No
Packaging: 1000 pcs
Box dimensions: 600*450*550mm

The top is an ancient Chinese children's toy that spins on the ground. As it rotates, it not only turns around its own axis but also moves in a conical shape around a vertical axis. To keep the top upright, external force must be continuously applied. Once the external support is removed, the top will quickly fall because its base is too small to support its own weight. The duration of the top’s rotation depends on the distance from the base to the ground, the amount of force applied during rotation, the contact area between the base and the ground, and the friction force.

Experimental Principle:
Why can a top rotate without falling? This is a dynamic unstable equilibrium. When the top is rotated under force, the total centrifugal force in all directions reaches a balance, allowing it to stand at the axis for a while. However, factors such as air resistance, ground friction, or the center of gravity of the top cause the rotating force to gradually weaken until it disappears, and then the top begins to wobble and fall.

Teaching Objectives:
1. Be able to apply the knowledge of light dispersion learned to create various spinning tops; make discoveries during the process and record and describe one’s research findings in a timely manner.
2. During the process of making and playing tops, students' sense of cooperation is cultivated.
3. By playing with spinning tops and conducting light synthesis experiments, understand the synthesis of light, as well as the relationship between light dispersion and synthesis.

Teaching key points and difficulties:
1. Be able to apply the knowledge of light dispersion learned to create various spinning tops; make discoveries during the process and record and describe one’s research findings in a timely manner.
2. By playing with spinning tops and conducting light synthesis experiments, understand the synthesis of light, as well as the relationship between light dispersion and synthesis.

Teaching aids:
Material Package

Blackboard Design:
1. Color light mixing and persistence of vision phenomenon

2. Synthesis of the three primary colors of light

1. Create a scenario to help students perceive the problem:

Teacher: Who has played with a top?
Free speech is allowed.
Teacher: Is the top spinning fun?
Life: Fun.
Teacher: How is it fun?
Free speech is allowed.
Teacher: How do you play with a top?
Free speech is allowed.
As a child, I played with spinning tops. Has anyone played with other types of tops?
Free speech is allowed.
Teacher: Did you make it yourself, or did you buy it?
Free speech is allowed.
Teacher: Do you want to make one yourself?
Life: Want.
Teacher: So for today’s class, let’s make a spinning top. What will we use? It’s very simple—a piece of paper. I believe you will be able to make one after this lesson.

2. Exploration and experience, problem-solving:
Activity 1: Making spinning tops.
Teacher: (First, showing several already made top spins) Does anyone know how to make a top spin? Who would like to share their idea?
After allowing free discussion, the teacher demonstrates and provides further explanations on the methods and steps of making it. Then, students share the ways they know to make a spinning top. Teacher: Now, raise your hand and create your own spinning top!
Lively hands craft spinning tops.
During the production process, students should be reminded about safety precautions when using scissors.
Teacher: Don’t forget to give the top to the spinning top beautiful colors!
Color the spinning top.
Coloring requirements:
① Each team is required to paint a top according to the color ratio provided in the textbook.
② Then, students can color the completed top in any way—two, three, or more colors.
Activity Two: Spin the Top.
Teacher: Great job, students! The spinning tops you made are really beautiful. How can we make the tops spin more steadily?
Answer freely.
Teacher: Now, everyone can get involved and make them rotate.
(1) Repeat the experiment with陀螺 painted in different colors, and observe what color the spinning陀螺 appears to be.
(2) Guide students to record the observed phenomena promptly for future sharing and exchange.
Group report and discussion.
Teacher’s summary: Different colors merge into one color, and seven colors turn white.
Teacher: If you want to further study this issue, you can look up more information. See if you can figure out what kind of phenomenon this is and why the eyes cannot distinguish rapidly rotating patterns. This is a phenomenon of visual persistence. (Teacher: writing on the blackboard) Rapid rotation
It looks circular. So, what applications can you think of for this persistence of vision effect?
Answer freely.
Teacher: Animated cartoons utilize human visual phenomena. So, how should we explain this mixing of colors and light? I have a top that I made myself. What color it appears to be when it spins—grayish-white, and the color seems to disappear instantly. If you’re interested, you can try making a top with rainbow colors. What color would it be when it spins? Newton once conducted an experiment like this and could explain a scientific principle. What exactly is it?
Answer by name (named response).
Teacher: Around the year 1666, Newton, at the age of 24, used a prism to split white sunlight into seven colors—that is, the rainbow. When he excitedly reported this discovery to everyone, he faced strong opposition. To verify that these seven colored lights could also be combined into white light, Newton conducted an experiment using a spinning top, which helped people understand his scientific discovery.
Activity Three: Let's Explore Changeable Light
The situation where the three primary colors of light (red, green, blue) overlap.
1. My observation record sheet (students fill it out themselves first, followed by the teacher’s summary)

Zhejiang Jianyi Education Technology Co., Ltd.
Zhejiang Jianyi Education Technology Co., Ltd. (formerly Yifei Toys Factory)Established in 2007, the current brand names include “XING TEACHER” and “JIAN YI”. Through 10 years of relentless effort, the company has gradually matured. Our firm is a member of the Ministry of Education’s Teaching Equipment Industry Association and a key enterprise in Zhejiang Province’s teaching equipment sector. For three consecutive years, it was recognized by Jinhua City as a “Contract-Abiding and Creditworthy” entity, and in 2014, it was awarded the title of “Advanced Enterprise in Jinhua Teaching Instruments Industry” by Zhejiang Province.
Zhejiang Jianyi Education Technology Co., Ltd. is a high-tech enterprise that integrates modern scientific research and development of educational equipment, curriculum design, integrated teaching resources, and technical services. With its high-tech products and modern educational equipment, Zhejiang Jianyi Education Technology Co., Ltd. sells its products across the country and to Europe, America, Japan, South Korea, and other regions. After years of accumulation, the company has reached a certain scale. In terms of technological innovation, the company has professional designers who develop complete sets of educational products and upgrade existing products. In terms of production, management, and installation services, the company strictly adheres to the standards of the ISO9001 international quality assurance system. In marketing, the “Teacher Xing” products have been introduced to many provinces and cities in China and enjoy a good reputation. Over the years, it has provided high-quality, advanced, and professional series of modern teaching equipment and specialized R&D and customization services for the education sector. With excellent, highly qualified professionals, comprehensive after-sales service, high product quality, and a good corporate image, the “Teacher Xing” educational and physical science series, chemistry series, energy, wind, geography, biology, art, and more products have won multiple bids in education bureau tenders. Zhejiang Jianyi Education Technology Co., Ltd. continues to uphold the business philosophy of “ultimate quality, diligent service, and sincerity in people,” maintain the “Teacher Xing” culture, build the “Teacher Xing” brand, and pursue the development strategy of the “Teacher Xing” enterprise. It provides excellent equipment and high-quality services for school teaching and research. We are willing to cooperate wholeheartedly with new and old friends at home and abroad, work together, and serve education with all our efforts and contribute to the education industry.

Please check that the circuit is unobstructed and all components are intact before assembly, as well as ensure all contact points are properly aligned. During assembly, be careful not to let glue get on your clothes or skin. Keep the components out of reach for younger siblings to prevent them from accidentally swallowing them! Do not play with them on your head, as the model may fall and hurt you!