Which dinosaurs are hiding in the grid puzzle? Which fruit and which leaf belong to which tree? Which path must the nerve cell take through the synapse maze to send a message to the brain? The various puzzles and brain teasers in this extra-thick puzzle fun will keep the grey cells of schoolchildren aged 7 and up busy. Whether nature and animals, firefighters and dinosaurs, or the human body - the diverse selection of topics offers age-appropriate content and provides a successful break from everyday school life. A great side effect is that the colorful mix of dot-to-dot, crossword, and number puzzles, tasks involving differences, pairs, or picture details, as well as many other guessing games, trains the little puzzle fans' concentration and logical thinking skills.