Explore grammar and usage conventions in a fun, non-threatening way with these colorful word cubes. Sturdy 1 1/4 plastic cubes have a related high frequency word on all six sides. Sentence Building with Word Cubes teaching guide provides step-by-step lesson plans. Children build sentences, then vary them just by turning one or more cubes. Each of the six color-coded nine-cube sets explores a different sentence structure. Especially useful for identifying children with syntax problems or working with ELL students. 54 cubes. Grades 1-3.