Information about the title: The booklets convey relevant subject content in a playful manner and can be used independently of any teaching materials, either in the classroom or at home. The integrated answer booklet allows for self-assessment. Children receive star stickers for successfully answering the tasks. Information about the series: Children are constantly experimenting to understand the world around them. The Research Stars tap into this natural curiosity and support foundational education in this area. With the Research Stars, they can expand and reinforce their skills in subject lessons. Children can independently conduct simple experiments and solve tasks related to comprehension reading, logical thinking, and the acquisition and repetition of content.