This collection of tasks contains the open tasks set forth on the basis of fairy-tale histories and real vital situations. He is intended for reading of parents with children from 4 to 11, and also for the schoolchildren of senior age, wishing to promote the creativity. This collection will be interesting to the people and more senior age, because keen plots do not abandon indifferent nobody, because are open tasks. These tasks are named open, because methods of decision and answers for them more one. The decision of such tasks allows to overcome a thinking sluggishness and develop creativity, flexibility of mind. Every task is accompanied by the real answers of people of different age, that with fascination decided and reasoned. Also for every answer estimations are given with explanations and recommendations, where to develop a decision, what knowledge can be purchased in time such deductions. However it is not only variants of answers and even not always the best, because technologies develop, the point of view changes, and new resources are added. Collection of tasks allows with a benefit to spend time to the parents with children, helping to develop thinking them, and assists appearance of habit for parents independently to find open tasks on the basis of near to the child of situations, objects, events.Collection can be used as a manual on work with open tasks on the basis of instruments of ТРИЗ-педагогики, and also as remarkable entertainment helping to be drawn together to the children and parents.