Description: Simple for elementary level students yet comprehensive enough for middle school, this colorful teaching model was designed specifically for hands-on use Made of resilient, non-toxic PVC plastic to withstand years of active investigation Measuring approx. 17.3 x 8.8 x 15cm / 6.8 x 3.46 x 5.9 Inch Suitable for high school or college students, or ages 14 to 21 Specification: Material: PVC Plastic Overall Dimension: approx.17.3 x 8.8 x 15cm / 6.8 x 3.46 x 5.9 Inch Color; as shown in display pictures Package Includes: 1 Piece Plastic Teaching Model