Introducing the geometric solid toy, a fun and educational tool for children to explore the world of geometry and volume measurement. This set includes transparent 3D shapes such as cylinder, pyramid, cube, rectangular prism, triangular prism, and hexagonal prism, allowing kids to visually understand the relationship between shape, size, and volume. The removable lid makes it easy to fill the shapes with solid, wet, or dry materials for practical lessons in perimeter, area, surface area, and volume. Made of harmless plastic material, this toy is environmentally friendly, odorless, and safe for children to use. It's a great way to make learning math concepts engaging and hands-on for young learners. Item Name: Geometric Solid Toy Material: ABS Features: Clear, Heavy Duty, Science Educational Toy Size Details: Height: 5cm/1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 12 x Geometric Solid Toys