Across
- 4. name of balloon
- 7. ride
- 8. home Professor Sherman
- 10. teacher Prof Sherman
- 11. rumbles
- 12. second ocean
- 14. first ocean
- 15. island of diamonds
- 16. balloons on the platform
Down
- 1. days in the ocean
- 2. riches of Krakatoa
- 3. floating toys
- 5. train
- 6. main character
- 9. record days to travel
- 13. krakatoa families