Clank! Whizz! Mechanica is trying to lift a very heavy biscuit onto a high shelf using a tiny ramp and some wheels. It's a clever plan, but the biscuit keeps rolling away! A) The Story of the Lever Who Could Lift an Elephant. B) A grumpy gnome needs to get his heavy wheelbarrow up a hill. Should he use a long, gentle ramp or a short, steep one? C) Let's be robots and do the gear-turning dance!