If your little man likes to think technologically and in terms of how things work, then the Caterpillar Gears Toddler Toy is right up his alley. This unique piece, made for ages 18 months and up, features 6 colorful interchangeable gear pieces, that fit into a wooden board. The whole thing when put together looks vaguely like a caterpillar, and when one gear spins it makes the rest of them spin. The combination of the bright colors and the cause and effect relationship will thrill your son, and he will be playing with this toy for a long time. And with the ability to take it apart and put it back together, their logic and reasoning skills will be strengthened as well. It may seem like an overly simply toy, but the effects of it on a young child cannot be underestimated.