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. 12 x 10 x 12cm / 4.7 x 3.9 x 4.7 Inch Suitable for high school or college students, or ages 14 to 21 Specification: Material: PVC Plastic Overall Dimension: approx. 12 x 10 x 12cm / 4.7 x 3.9 x 4.7 Inch Color; as shown in display pictures Package Includes: 1 Piece Plastic Cell Model