Houghton Mifflin PRE-K includes ten engaging and child-centered themes that will spark imaginations and a love of learning. In Theme 6—Construction Zone—children are engaged in activities that encourage motor skills, creativity, and teamwork. The big ideas of the theme include: Week 1: I Can Build Children explore making and building things. Week 2: Build with Me Children work together to solve a problem. Week 3: Everybody Builds Children plan together to accomplish a big job.