In a book written by famous British scientists; contains a selection of original tests for children aged 5–11 years, including tests for understanding the meaning of words, observation, logical thinking and others. With these tests, parents can independently determine their children's IQ and give them the opportunity to practice solving fun problems. With the help of this book, you can test your child and get an assessment of his intellectual abilities in an entertaining, but at the same time quite scientific way. The test results will allow you to better understand the capabilities and development prospects of your child.