The 45 social phrases and question words included in this set were specifically selected by a speech and language pathologist as words and phrases needed by children as they develop their language skills. Phrases and PCS icons for concepts like "my turn" and "your turn"; greetings like "hello" and "goodby" and politeness markers like "please" and "thank you" are included. Difficult to understand wh- words - like when and what - are also included in this set. Pcs Learning Magnets 45 Social Phrases Questions Ages 3+, Grades PreK+ 90 magnetic pieces WARNING: Choking HAZARD Small parts. Not for children under 3 yrs.