These blocks help you become proficient in planar and solid figures. The colorful colors are easy to understand. There is a level-based booklet for "Let's Arrange," which is interesting. Some stickers are already attached. Figures are a common problem in elementary school entrance exams. Questions like "How many?" or "How few?" and the number of unseen blocks. Practicing with actual blocks deepens understanding. Please refrain from purchasing if you are very particular or concerned about minor details. Block Problems Elementary School Entrance Exam Entrance Exam Exam Figures Spatial Reasoning Solid Planar Arithmetic Number of Blocks Comparison of Numbers Observation from All Sides Textbook Figure Cube Blocks Kumon