Learning Resources Gears! Gears! Gears! Gizmos Building Set, 83 Pieces Gears toys are designed to help strengthen problem solving skills, critical thinking and engineering skills All Gears sets are great for learning skills in a hands-on way - tactile learners will love these sets Kids will be challenged to make all the gears spin with the use of 1 crank  an engineering feat This Gears set includes colorful small, medium and large gears, base plates, various connectors, pillars, 6-way axels, crown gear, peg adapters, propeller, crank, and sticker sheet Great for ages 3+