Includes: Crazy Machines Crazy Machines 1.5 Crazy Machines 1.5 New from the Lab Crazy Machines 1.5 Inventors Training Camp Crazy Machines 2 Crazy Machines 3 Crazy Machines Elements Crazy Machines: Golden Gears Crazy Machines Turn the crank, rotate the gears, push the levers, Use the catapult, explode it, or fly it...From grilling sausages with a pulley, gears, rubberbands and a candle to firing a cannon with a basketball, these wacky brain-teasers will light up your imagination with creative ...