
After school programs and summer camps help children to learn by playing. They meet new friends and within group the teamwork spirit is developed. They improve their spatial skills, self-confidence, power of argumentation, problem solving and problem posing abilities.
The initial activities of these type are described in the research paper:
An educational resource for spatial intuition
http://x-colony.com/xcolony/wp-content/uploads/2019/04/poster5.pdf
Abstract
The paper investigates the use of a 3D modular paper game within educational programs. The experiment involved students in grades 5 to 9, engaged in a guided play workshop, during a summer camp, in 2012, Romania. We report the conclusions on the use of this educational resource regarding its effectiveness in enhancing creativity and spatial intuition.
According to Research Gate, this paper has 253 reads as of April 2019.

Testimonials
In February 2017, twenty-five sixth grade students (age: 10