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The National Science and Media Museum is now open. Please book free museum admission or cinema tickets online in advance.

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Top Secret Family Day

Explore the history of codebreaking and GCHQ at our Top Secret family day.

Join us for GCHQ-themed workshops and drop-in activities, create your own codes to pass on secret messages and discover the fascinating world of secret communications in Top Secret: From Ciphers to Cyber Security.
Work with experts in our 30-minute family-friendly workshop. Create your own cipher and discover what GCHQ is all about.

To attend the workshop, please book a free ticket in advance. Drop-in activities are included with your free museum admission ticket.

Part of the Science Museum Group