A spokesperson cited "unexpected delays in the shipbuilding process" as the reason for delay.
The grandchildren ranged from academics to entrepreneurs.
The couple later found out that there were other victims, including the elderly.
Efforts to recover the missing body parts are underway.
"I was only 14, but from the day I became a mother, my love for my child never changes no…
The aircraft was eventually changed and passengers departed six hours later.
The police have "zero tolerance" towards secret society activities, it said.
Approval has been received for the attraction to resume operations, it said.
The victim managed to escape from the man, so no valuables were taken.
The man was issued a fine of S$700.