Yes. Since the entry is time-slotted, your individual tickets may end up for different times. If you want to go as a group, use the group ticketing.
Museum uses time slots to avoid overcrowding. Sometimes it's best to use group tickets.
If you all plan on going together its best to get group tickets. If everyone trys to get them individually the time slot may sell out before everyone can book it. If you go on their website it best explains the reservation process. Hope this helps!
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