Promotional value expires 30 days after purchase. Amount paid never expires. Limit 1 per person. Valid only for option purchased. Must activate membership within 30 days of purchase. Membership is valid for one year after activation. New members only. Not applicable to existing memberships. Classic individual membership includes one named adult and one guest per visit. Classic household membership admits two named adults and four named children ages 2-18, and includes four one-time planetarium tickets. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Offer is not eligible for our promo codes or other discounts. Learn about Strike-Through Pricing and Savings