One of the complaints about Soda Syphons was that they ran out of fizz too quickly during swinger's parties. Clearly there was a hole in the market, duly filled by the perfectly spherical Globemasters.

Available in a range of finishes (including metallic gold, blue & red, pale blue, grey and green), these monsters required 2 bulbs to charge them properly. They also had extended nozzles to make them easier to use.

I'm missing a GM box in my collection, so if anyone has a spare....