Middle School Entrance Exams (Chujuken) - Science - Studying the Moon and Sun - Three-Sphere Model You can study the moon and sun using a model! Brand new, unopened. The exam was in 2025. One of the areas that students struggle to visualize, "The Moon and the Sun." Why not conquer it this winter with a model? [Product Overview] Science experiment materials, easy to assemble. You can investigate the positional relationship between the moon, sun, and Earth. You can see the shape of the moon as it appears from Earth at various lunar phases in 3D. Recommended for elementary school students' summer and winter vacation free research projects! Also for middle school entrance exams. #MiddleSchoolEntranceExam #Chujuken #Science #PhasesOfTheMoon #MoonAndSun #FreeResearchProject