The SIPPS® program consists of four levels of intervention for grades K–12 struggling readers by providing additional support in decoding and phonics. Each package includes all the materials a teacher needs to assess and group the students and conduct intervention lessons. Depending on the level, materials may include: Teacher’s Manual binders, student readers, handheld cards, wall cards, posters, or trade books. The program also includes access to online video routines as well as access to student practice apps like this one, for an additional fee.