Description This semicircular transparent refraction tank is an essential tool for middle school physics optical experiments. Its clear design allows students to observe light refraction and reflection phenomena easily. Ideal for classroom demonstrations, it helps in understanding concepts of optics, making learning interactive and engaging. Features -Color:Transparent -Material:Plastic -Size:7.80X3.80X3.50cm/3.07X1.49X1.38in -Transparent refraction tank: the transparent design allows for clear observation of the refraction process, making it ideal for educational demonstrations -Half circular design: the half circular shape is specifically designed to meet the needs of optical experiments, ensuring accurate results -Material: made from durable and reliable materials, this refraction tank is built to withstand repeated use in a classroom setting -Essential for physics teaching: this refraction tank is a must have tool for middle school physics classes, providing essential learning experiences -Easy to use: designed for simplicity, this refraction tank is easy for students to use independently, promoting active learning and experimentationPackage list: 1 x semicircular block