An open evening for Royston Badgers is taking place at the unit on Newmarket Road between 6pm and 7.15pm on Tuesday.
Badgers are the youngest St John Ambulance volunteers and work towards completing their Super Badger Award.
Families can attend to find out what happens when you volunteer as a badger and youngsters between the age of five and 10 will have the chance to sign up.
There will be refreshments and games during the evening and St John Ambulance volunteers will be present to answer questions.
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