Description: 【Versatile Teaching Tool】: This adjustable platform is designed for middle and high school physics classes, making it an essential instrument for demonstrating various physics principles 【Sturdy Construction】: Made from a combination of metal and ABS , this teaching experiment ensures long term durability and reliability in classroom settings 【Compact Size】: With dimensions of  5.91inchx5.91inchx3.94inch, this lift platform is compact enough to fit comfortably on any lab table or classroom desk without taking up too much space 【Easy to Use】: The simple design allows for quick adjustments, enabling teacher to easily demonstrate experiments and concepts related to elevate and mechanics 【Single Unit Packaging】: Each package includes a lift platform  for use in your educational environment Size Chart: 15cmx15cmx10cm/5.91inchx5.91inchx3.94inch Package Includes: 1 Lift Platform  Physics Experiment  Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful on-line shopping!