Description: MaterialThis retort support stand is made of great iron material and is designed to withstand rigorous use in lab environment. DesignThis iron frame square base frame consists of an iron rod fixed on the base. Depending on the experiment, it can be equipped with equipment such as adjustable iron rings, burette clamps, and condenser clamps. Educational ToysThe lab stand support with clamp is a good tool for scientific tools and helps improve students' practical skills. CreativityThis science toy can significantly improve children's hands on ability and their imagination and operational abilities. GiftScience experiment tools are the first choice gifts for those in need. This makes a great gift for children and can be used as a teaching model in classes, homework, and school competitions. Specification: Material: Iron Size Chart: 30x16cm/11.81x6.3inch Package Includes: 1?Iron Experiment Stand Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slight errors due to manual measurement and different monitors.