Let's mix! Young learners are introduced to the concrete mixer in a beginning STEM reader that's perfect for kids who like to get their hands dirty and build things. Dynamic images and carefully leveled, informational text highlight how this construction vehicle looks and how it prepares its cement-and-water mixture for use. Part of the Seedlings series, this title plants seeds of knowledge about heavy-duty machines. Includes a glossary, further resources, and a labeled image guide featuring major parts from drum to chute.