SESAME STREET COMPUTER CAPER Sony Wonder, 50 minutes, ages 2 to 5, VHS $9.98, DVD $16.98. In “Computer Caper,” a “Sesame Street” video, Telly Monster learns how to send e-mail on his computer.

KidzMouse Inc., a developer of niche-market computer peripherals for educational use, has signed a license agreement with Sesame Workshop, the folks behind Sesame Street.