Brown, Bob

1907

• 666 science tricks & experiments
• 200 illustrated science experiments for children
• 333 more science tricks & experiments
• 333 science tricks & experiments
• How to fool your friends
• More science for you
• Science for you
• Science treasures
• 100 entertaining science experiments from Science Circus
• 200 science experiments for boys and girls
• Science circus
• Science circus 3