Size : pipe length : About 15 cm Ball: About 4cm
Comes with two styrofoam balls
Warning: Last items in stock!
A classic science toy that is not only fun but teaches real scientific concepts
This blowing ball toys can teach children to learn how to control their breath, strengthen their lung capacity, train labial ministry muscle, through reasonable control to achieve concepts of balance and energy.
Put a foam ball in red end on the bracket, blowing from the other end of the blowing air hole while breathing a constant flow of air, trying to make foam ball hover in the air. Uniform air supply can make ball hover consistently for the longest time.
This concept is also known as circular breathing.
No customer comments for the moment.