Are you looking for a brain building construction set that encourages creativity? Seeking a SAFE tactile toy with frustration-free packaging? Want a toddler STEM learning toy that introduces the basics of movement and mechanics for your budding builder? Then the Techno Kids Stack & Spin Gears Super Set is the perfect gift for your future engineer! This gear super set is excellent for both boys and girls ages 2 years and up.KEY FEATURES – Techno Kids Stack & Spin Pull Along Train features over 20 eye-catching pieces. The interlocking rotating gears and tower structure pieces allow toddlers to design their own train that moves and spins as they pull it along! The Pull Along Train is a great STEM gift for both BOYS and GIRLS ages 2 years and up.