Entertaining games and tricks. Perelman Ya.I.

A talented author and outstanding scientist Yakov Perelman collected in this book interesting experiments and tricks. You can develop your memory by learning to remember to a hundred words in a row, and even repeat them in the reverse order; guess with your eyes closed, what item is shown behind you; perform spectacular tricks with paper tape, rope, coins, matches; see "invisible" drawings; Calculate the riddled numbers, as well as conduct unusual experiments with various objects. To perform these magic tricks, you will need the most ordinary objects that will always be at hand. So, simple at first glance entertainment will not only instill in children a love of accurate sciences, but also brighten up the leisure of the whole family.