Toddlers took part in a workshop at Saffron Walden Library to learn about science, technology, engineering and maths.
The STEM sessions have been run by Sandra Beale from her home for the past nine years.
Sandra ran a workshop with early years practitioners at Cambridge County Council at the end of June, and ran her Saffron Walden Library session on Saturday, July 6.
She said: "Both workshops were well received and I have been asked to return and do more workshops, which is really very exciting as it means lots more people will get to experience the joy of toddler STEM."
Sandra's sessions will turn 10 in February, and she is releasing a book on toddler STEM to celebrate the anniversary.
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