Innovative Science Experiment Kit: Dive into the world of physics with this engaging DIY kit designed to demonstrate the fascinating concept of polarization. for young science enthusiasts eager to explores and innovate Material: Crafted from quality pp, this Optical Experiment Polarization Phenomenon Polarization Lens Toy kit ensures durability and safe during experiments, making it a reliable choice for educational purposes Compact and Portable Design: With dimensions of 14.5 cm in length and a diameter of 2.8 cm, this tube is compact enough to be easily handled by children while providing ample space for creativity Educational Tool for Young Innovators: Ideal for use in science club or at home, this Through-the-wall Experimental Activities encourages hands-on learning and stimulates curiosity about physical phenomena among young learners Complete Package: The package includes 1set Light Polarization Polarizer Experimenter, ensuring a hassle free setup so that kids can focus on learning and having fun with science right away Size Chart: 14.5x2.8cm/5.71x1.10inch Package Includes: 1 set Physical Optics Polarization Observer Note: 1.This is not infant toy , please take away from children to avoid eating.2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.