Description: 【Educational and Fun】: Our Science Experiment Test Tube Toy Kits are designed to engage children in hands-on, interactive learning. They provide a fun and engaging way for kids to the world of science, sparking curiosity and promoting a love for discovery and learning. 【Comprehensive Kit】: This kit includes everything your little scientist needs to conduct their experiments. It comes with multiple test tubes, a stand. Great for DIY subject, science education, development of hobbies and interest. 【Safe and High-Quality Material】: Safe is our top priority. All materials included in this kit are non-toxics and child-safe. The test tubes are made of durable, high-quality plastic that can withstand the rigors of enthusiastic scientific exploration. 【Inspire Future Scientists】: This DIY Science Experiment Kit is more than just a toy. It's a tool that inspires children to delve into the world of science, fostering thinking, creativity, and the ability to question and understand the world around them. 【Perfrct Gift】The DIY toy can help cultivate children hand skills, creativity and imagination, practical skills, scientific knowledge, a perfect birthday gift for children. Specification: Material: PP Size Chart: Rack 16*5cm/6.3*1.97inch   Package Includes: 1pcs Stand Rack OR 1set Test Tube and Rack Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.