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Vikas Gupta.
Vikas Gupta.

Wonder Workshop is raising more cash for its robots that teach children computer science concepts.

The San Mateo, Calif.-based startup, founded in 2012, announced a $20 million Series B round co-led by WI Harper and Idea Bulb Ventures. Seattle-based firm Madrona Venture Group, an existing investor, participated in the Series B round, along with Learn Capital, Charles River Ventures, and TCL.

Wonder Workshop sells robots that sync with a mobile app and help children understand basic computer science concepts. It has 7,000 elementary schools using its product — 4,000 in the U.S. and another 3,000 around the world.

“As parents and technologists, we founded Wonder Workshop to make the world a better place for children, and create age appropriate tools to inspire the future innovators,” CEO and co-founder Vikas Gupta said in a statement. “We are proud to have such passionate investors join us in our mission to lower the barrier to entry for children to learn and enjoy STEM subjects, such as coding and robotics.”

Gupta previously sold his last company, Social Gold, to Google in 2010. Before that, he spent seven years at Amazon working directly with Jeff Bezos and helping to establish the Amazon India development center.

Total funding to date for Wonder Workshop is $35.9 million.

Madrona isn’t active in the education industry, but the firm was a backer of Teachstreet, which was acquired by Amazon.

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