Kids DIY Hydraulic Lift Table Model Kit Students School Projects Educational Scientific Physics Experiment Toys Features: Log wood color, you can graffiti freely with your imagination, create your own toy. Exercise children's hands-on ability, let them understand simple knowledge about atmospheric pressure and hydraulic. Specification: Material: Wood and Plastic and Metal Knowledge Point: Principles of Knowledge of Atmospheric Pressure and Hydraulic Size: 11 X 10 X 8cm or 4.33 X 3.94 X 3.15" Color: As Shown Recommended Age: 6Yand Warm Tips: 1. When assembling the product that requires the circuit, pay attention to the fact that the red wire is connected to the positive terminal of the battery case the blue wire is connected to the negative terminal of the battery case. 2. All products is NOT including battery, the accessories are random in color, color is NOT specified, please read it carefully before purchasing. 3. Contains small accessories and sharp objects, children must be accompanied by an adult, please take care of children to avoid swallowing. Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3mm measuring deviation due to manual measurement. 1 X Kids DIY Hydraulic Lift Table Model Kit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.