Fizz 'n Go Mega Pack is an upcoming Fizz 'n Go Cargo pack. When submerged in warm water, the cargo will fizz and dissolve to reveal a cargo piece.
- Fizz 'n Go Thomas
- Fizz 'n Go James
- Yellow Cargo Car
- Blue Cargo Car
- Sir Topham Hatt
- Yellow cargo bath bomb
- Blue cargo bath bomb
- Three blind packs
- The prototype features James with Thomas' eyebrows.
- The Fizz 'n Go engines have the following features:
- Fizz 'n Go Thomas features Thomas with blue fizzing, bubbles, and a green running board with red wheels.
- Fizz 'n Go James features James with orange fizzing, bubbles, and a blue running board with orange wheels.
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