Puzzles and Projects is packed with fun, so grab your pencil and let's go! There are plenty of puzzles, hands-on projects with step-by-step instructions, comics, awesome facts and much more. Discover amazing things about the world around you. Explore everything from dinosaurs to volcanoes, animals to slime, and rockets to rainbows! Developed by the expert Double Helix team at CSIRO, who also brought you the Hands-On Science books. Puzzles and Projects offers hours of entertainment, sparked by the wonders of science, technology, engineering and maths. Perfect for kids aged 7 .