Knowledge Adventure has released three new $20 hybrid (Mac/PC) educational CD-ROMs for children:

• Math Blaster: Cross Terrain Challenge, designed for kids ages 9-12, helps strengthen critical-thinking and problem-solving skills.
• JumpStart Languages, designed for kids ages 3-6, helps build a foundation for language development by introducing children to the sights, sounds, words, and phrases of four languages: Spanish, French, Japanese, and English.
• JumpStart Explorers, designed for kids ages 5-8, exposes kids to important historical events and immerses them in the time period and environment.