Megatron vs. Optimus Prime Plenty of children’s entertainers, magicians, and clowns can make balloon animals, but how many can make balloon robots? YouTube’s HappyCabbie, has created both a balloon Megatron and Optimus Prime. Megatron is 6 ft. tall and close to 300 Betalatex brand balloons were used. Optimus is 7 ft. tall and nearly 5... Read more »