So much to see. Loved the explanatory IMAX video o...

So much to see. Loved the explanatory IMAX video of what NASA is doing. Better explanation of what to do when you first arrive would have helped. Sign saying tickets, bar code scanning, bathrooms, etc would have helped. Govt: dont take glass bottles, pocketknife, etc. Spent 50 min in line w grandfather, only to discover our prepurchased voucher needed tickets. Wheelchair helped. Impressive Atlantis display