Material preparation: paper cups, scissors, double-sided tape and plastic film.

Step 1: Hand-make materials and tools needed for the course of piggy projection toys with paper cups: paper cups, scissors, double-sided tape and plastic film. Cut a small hole in the bottom of the paper cup with scissors, and stick the plastic film on the paper cup as shown above.

Step 2: Prepare your favorite styling for reference.

Step 3: Draw the outline as shown above.

Step 4: Color according to the picture.

Step 5: The simple and beautiful small inventions in grades 5-6 are done. Let's take a look at the handmade effect of making pig projection toys with paper cups. Let's try! You can draw more effective colors.

The function and significance of scientific and technological handcraft;

1, the role of technological handiwork

5- 16 small production can design tasks according to students' cognitive level, making it easier for students to understand and master knowledge in completing tasks. Small production usually involves manual production, practical operation and other forms, which can stimulate students' interest in learning and make them more active in learning.

2. The importance of technical handiwork.

Small production usually requires students' cooperation, and completing tasks through group cooperation can cultivate students' team consciousness and cooperation ability. Small production requires students to operate it themselves, which can cultivate their practical ability and improve their practical operation ability.

Small production usually requires students to design and create, which can cultivate students' creativity and innovative consciousness and stimulate students' imagination and thinking ability. By making and operating it in person, students can understand and remember what they have learned more deeply, and improve their learning effect and academic performance.