We have the zoomu pass that gives you access to the museum and zoo and it is 155.00 a year for family pass!
The st Louis science center membership is 75 and gets you in here for free plus many other places nationwide
The link card drops the price to 3.00$ a person.
Not sure the cost but it gets u in cheaper but it not that much...normal price might be 9 and it gets u in for 4 or 5
Thanks! Your answer is awaiting moderation.