Desktop Wind Tunnel for 1:64 Diecast Car Model Testing
Desktop Wind Tunnel for 1:64 Diecast Car Model Testing PVC, Water Mist Airflow, Adjustable Knob, Compact Display, Safe Low-voltage Power, Aerodynamic Testing Equipme Product name: Desktop Wind Tunnel Model, Visual Airflow Demonstration Kit with Water Mist, Stepless Speed Adjustable Science Experiment Toy, Educational Physics Desk Decor for Model Hobbyists Product size about: 25 x 7.5 x 11cm; Product color: As shown in the figure Product material: Pvc housing, honeycomb airflow rectifier, built-in exhaust fan, transparent observation window product features: 1. Visualizable airflow with water mist technology. Simply add pure water to produce clear airflow trails. No chemical smoke oil, no...