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Ancient Science 40 Time-Traveling, World-Exploring, History-Making Activities for Kids

Roller Coaster Science 50 Wet, Wacky, Wild, Dizzy Experiments about Things Kids Like Best 1st Edition,0471594040,9780471594048

Roller Coaster Science 50 ...

Jim Wiese

Our Price: $ 35.99

Cosmic Science: Over 40 Gravity-Defying, Earth-Orbiting, Space-Cruising Activities for Kids,0471158526,9780471158523

Cosmic Science: Over 40 G ...

Jim Wiese

Our Price: $ 35.99

Sports Science 40 Goal-Scoring, High-Flying, Medal-Winning Experiments for Kids,0471442585,9780471442585

Sports Science 40 Goal-Sc ...

Jim Wiese

Our Price: $ 35.99