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product support > > software Tenth Planet ... was acquired by Sunburst Communications in 1998. Phone: 415-726-5891 Fax: 415-726-5995 Support: 800-546-2317 On-Line Support On-line Ordering Tenth Planet programs reviewed by SuperKids Questions or comments regarding this site? webmaster@superkids.com Copyright © 1998-2024 Knowledge Share LLC. All rights reserved. Privacy Policy