The museum celebrates 25 years in Shad Thames.
Delicious BBQ food provided by Mother Flipper burgers who will be setting up by the river for the afternoon plus drinks and cake available from the museum's café.
The first 25 people through the museum's doors on Saturday morning will receive a bag of special Design Museum goodies.
Visitors can also see the Designs of the Year exhibition for £8.80 (concessions available).
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