Unlimited free admission for two adults named on membership card and children in the same household.: Membership will be mailed certified PLUS: Admission of one extra adult per visit. PLUS: Five one-time admissions PLUS: Association of Children’s Museums Reciprocal Pass 50% off admission for up to six people at participating children’s museums when visiting over 100 participating children’s museums in the US and Canada.* For a list of participating museums, click here PLUS: ASTC Travel Passport – Free admission for up to four family members to more than 300 participating science centers and museums in the U.S. and Canada (90-miles outside of Imagine Children’s Museum). Family Extravaganza Membership - Certified Mail -