This 10-time award winner sets imaginations in motion with wacky gears that whirl and twirl. The 82-piece set includes springs, spirals and propeller, plus small, medium and large gears and bases. The set can be used alone or combined with other sets. Included are: 4 peg adapters, 11 small gears, 5 medium gears, 4 large gears, 7 small bases, 4 medium bases, 3 large bases, 6 six-way axles, 8 pillar connectors, 9 large pillars, 12 small pillars, 1 crown gear, 2 T-connectors, 2 angle connectors, 2 spring connectors, 1 propeller and 1 crank.