From the mainstream of the market, the cost of Beijing Children's Summer Camp has three grades, which are 3,000 yuan, 4,000 yuan and 5,000 yuan respectively. From the days of the camp, it is an activity of about one week. The difference in price mainly lies in the differences in theme, courses, teachers and venue requirements.

Summer camp is an educational activity held during students' summer vacation, aiming at providing students with colorful courses and experiences, and cultivating students' hobbies, comprehensive ability and social skills. The following is the detailed expansion of the summer camp:

1. Activities: Summer camps usually include various activities, including but not limited to outdoor exploration, cultural experience, artistic creation, sports and scientific experiments. Through these diversified activities, students can learn new knowledge, develop skills and make new friends in a relaxed environment.

2. Academic Summer Camp: Some academic institutions, universities or research centers will organize academic summer camps to provide opportunities for subject learning and research. Students can take part in special lectures, laboratory practice and academic projects. Improve your academic ability and have a deeper understanding of knowledge in a certain field.

3. Sports Summer Camp: Sports Summer Camp pays attention to sports and training, and arranges various sports and training courses, such as football, basketball, swimming and mountaineering. Through professional guidance and teamwork, students can improve their athletic ability, and cultivate their sportsmanship and sense of teamwork.

4. Culture and Art Summer Camp: Culture and Art Summer Camp provides art-related courses and activities such as painting, music, dance and drama. Students can explore and create in the field of culture and art to improve their artistic ability and aesthetic quality.

5. Language summer camp: Language summer camp is a summer camp that provides students with language learning opportunities, including English summer camp and Chinese summer camp. Participants improve their language communication skills through interaction with native speakers, language courses and practical activities.

6. Social service summer camps: Some social organizations or non-profit organizations organize social service summer camps to encourage students to participate in public welfare activities, such as environmental protection, poverty alleviation and volunteer activities. By participating in social services, students can cultivate a sense of social responsibility and teamwork spirit.

7. Regional cultural exchange summer camp: This summer camp usually arranges students to visit, communicate and interact in different places and different cultural environments. Students can learn about the culture, history and customs of other regions or countries, increase their knowledge and cultivate their intercultural communication ability.

Summer camp usually lasts for several days to several weeks, and provides various activities and learning opportunities, aiming at cultivating students' hobbies, active participation and comprehensive ability, and promoting their all-round development. Whether it is academic, sports, art or social services, summer camps provide students with colorful opportunities for summer study and growth.