Dover Publications
Calculator Puzzles, Tricks and Games (Dover Children's Science Books)
R 577
CICO Books
Bubbles & Balloons: 35 amazing science experiments
R 827
Sterling
100 Amazing Make-It-Yourself Science Fair Projects
R 565
Alpha Books
The Complete Idiot's Guide to Science Fair Projects
R 755
Dover Publications
Fascinating Science Experiments for Young People (Dover Children's Science Books)
R 579
words & pictures
Optical Illusions
R 807
Wiley
Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects
R 571
Wiley
Janice VanCleave's 203 Icy, Freezing, Frosty, Cool, and Wild Experiments
R 404
Wiley
Janice VanCleave's A+ Projects in Chemistry: Winning Experiments for Science Fairs and Extra Credit (VanCleave A+ Science Projects Series)
R 390
Majosta
The Inventions of Finn O'Shea (The Adventures of Finn O'Shea)
R 592