ITEM NAME:Pipe Blowing Ball Suspended Classic Childhood Vital Capacity Training Toys Product Description Description: Pipe Blowing Ball Juggling Suspended Classic Childhood Eduional Vital Capacity Training Toys Feature: DIY assembly, easy operation. Through blowing exercises, children can learn how to control the strength of breathing, understand the energy and direction, and train the lip muscles. The principle of floating ball: 1. The airflow that blows out impacts the ball and does not let it fall. The balls remove airflow one by one. The air around them will return it to the airflow. 2. Because the air speed around is small, the pressure is high, the air speed in the airflow is high and the pressure is low, the balls will float in the air unanimously. Specification: Product weight: 10g Material: Plastics Product size: blowing pipe length: about 15cm/5.9''; ball size: about 3cm/1.18'' Applicable age: over 3 years old Note: Color is Random. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x Ball 1 x Pipe 1 x Ball Support.Product size: blowing pipe length: about 15cm/5.9"; ball size: about 3cm/1.18". Because the air speed around is small, the pressure is high, the air speed in the airflow is high and the pressure is low, the balls will float in the air unanimously.
