Take classic stacking fun to new heights! Three chunky train cars are just the right size for baby to grasp and hold or stack, nest and connect. Stacking the cars from big to little or nesting one-inside-another helps baby understand size relationships and how things fit together. Roll them along to encourage pushing and crawling. Three connectable train cars with wheels Stack, nest & connect Chunky & easy to hold Cute animal characters Push the train & crawl along Introduces colors and letters Nesting, stacking and connecting all help baby understand size relationships & how things fit together