I forgot about this variation, we did it once in a homeschool science class and then forgot about it so we never repeated it at home like we intended ^_^;
I guess this wasn't helped by the fact I hate balloons x_x
Glad you had fun doing the experiment, it does look like a fun one :D
I hear ya!
Oh, we did it many times. Hehe. My small sister and little brother love playing with balloons. They pump it and let it fly when they release the air. :)
My kids used to love doing that too XD As long as there is nothing that can get knocked over and break, it's all good ;D