Once children have individual letter and sound association knowledge secure, the next essential literacy skill is the blending of consonants to make onset blends. The Red Rocket Blend Explorers 22-book boxed set introduces 22 common consonant combinations where each individual letter-sound is heard, helping children become familiar and comfortable with these initial blends. This set includes the following titles: Bl bl Br br Cl cl Cr cr Dr dr Fl fl Fr fr Gl gl Gr gr Pl pl Pr pr Sc sc Sk sk Sl sl Sm sm Sn sn Sp sp Squ squ St st Sw sw Tr tr Tw tw.