think you've got all the answers? ABC tV's Surfing Scientist, Ruben Meerman, is back and this time he's challenging the inner workings of your brain with 40 science and logic puzzles. How many will you solve? And how many will leave you stumped? . Can you share this cake between eight friends with only three straight cuts? . Can you connect the dots by drawing four straight lines without lifting your pencil? . How can these four cars continue on their way at the same time without colliding? . Can you fit a 50c coin through a 10c sized hole without tearing the paper? With loads of photos and fascinating facts, plus hints and solutions, you'll stretch and test your mind with these fun and challenging puzzles. So what are you waiting for? Get into it! Ages 7+