I have never seen or thought of this before, but this child appears to be blowing up a balloon using a single switch (a big red) and an environmental control unit like a Powerlink. I found this picture during a Google images search. The website is in Japanese, but sometimes a picture is worth a thousands words!
On second thought maybe he is doing something else entirely and the balloon is just there. Either way, barring any latex allergies or pica problems, every kid should get a chance to blow up balloons until they pop.