B'sri P'kdmir
B'sri adlı kullanıcıdan daha fazla fikir
Science Project: How to Make a Lemon Clock  #scienceforkids #scienceexperiments #homeschoolscience

Science Project: How to Make a Lemon Clock #scienceforkids #scienceexperiments #homeschoolscience

Webelos engineer idea

Webelos engineer idea

Tasarım

Tasarım