With IKEA Family Card you get 40% discount, and as said above, you get about $5 discount if you buy them online
19.99 plus tax
$14.50 online
Well worth the minimal cost.
Around 20
I'm not sure what costs are associated with the Sea Life Aquarium. Perhaps it would be best to Google them online. I only go there a few times a year to dive their fish tanks. I typically don't pay the associated entrance fees.
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