Features:Human organ learning model, explore the mysteries of human body.Made of high quality plastic material, safe and durable to use. It will help you understand your body.Simple assembly method, play and learn. Learn the names and functions of human organs.It can not only exercise hands-on ability, but also learn knowledge.Stimulate interest and learn to analyze and think in exploration and observation. Best STEM education gift.Specifications:Model: TXL-117/TXMR-025/TXMR-026(optional)Material: PlasticPackage Size:TXL-117: 22.5 * 16.5 * 6cm / 8.9 * 6.5 * 2.4inTXMR-025: 25 * 25 * 5cm / 9.8 * 9.8 * 2.0inTXMR-026: 30 * 18 * 6cm / 11.8 * 7.1 * 2.4inPackage Weight:TXL-117: 168g / 5.9ozTXMR-025: 208g / 7.3ozTXMR-026: 280g / 9.9ozPacking List:1 * Model Kit