ISBN 10: 7541496553 ISBN 13: 9787541496554
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Paperback. Pub Date: 2019-10-01 Pages: 95 Language: Chinese Publisher: Chenguang Publishing House Crazy Numbers (Upgraded Version)/Challenge Your Brain is a thinking training problem set specially made for children aged 6-12.?The types of puzzles contained in the book are richer and more novel than the puzzles on the market. and more brain-burning. The angle of exercise for each problem is different. Some exercise logic. some exercise a sense of space. and some The exercise of reverse thinkin.