Orange and transparent human anatomy model, designed to show internal structures. - Model: Human anatomy model - Colors: Orange and transparent - Structure: Design that reveals internal structures - Parts: Removable parts - Size: Approximately 30cm - Uses: Educational, display I bought two to teach my four-year-old son about human anatomy. The disassembled parts are like a puzzle, and we've put it all together. All the parts are there. I think it's a perfect educational tool for children. I'm selling the extra one. If you're interested, please inquire. Please understand that this is a used item. Thank you for looking.