Dover Publications
Calculator Puzzles, Tricks and Games (Dover Children's Science Books)
R 585
CICO Books
Bubbles & Balloons: 35 amazing science experiments
R 839
Sterling
100 Amazing Make-It-Yourself Science Fair Projects
R 573
Alpha Books
The Complete Idiot's Guide to Science Fair Projects
R 766
Dover Publications
Fascinating Science Experiments for Young People (Dover Children's Science Books)
R 587
words & pictures
Optical Illusions
R 818
Wiley
Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects
R 579
Wiley
Janice VanCleave's 203 Icy, Freezing, Frosty, Cool, and Wild Experiments
R 409
Wiley
Janice VanCleave's A+ Projects in Chemistry: Winning Experiments for Science Fairs and Extra Credit (VanCleave A+ Science Projects Series)
R 395
Majosta
The Inventions of Finn O'Shea (The Adventures of Finn O'Shea)
R 600