Isbn: 9787530457443 - simple science: tick. tick concept of time (more than 4 years old)(chinese edition) (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2012. Pages: 30 Language: Chinese Publisher: Beijing Science and Technology Press. what we can not see. hear. touch or smell no? What we all know it can not do without it? What is so long. before the beginning of the world there have been? The answer of course is - time. Simple science: tick. tick About the concept of time (more than 4 years of age) will take us to experience a wonderful journey. let us take a look at how humans perceive time together to explore the elaps.…