Looking for a receptive identification activity for learning PARTS OF OBJECTS (features) for your preschool, speech, or ABA students? This receptive vocabulary activity for feature, function, class vocabulary is perfect for your ABLLS assessment, ABA data sheets, or speech and language data. Digital: This activity includes 67 slides and a clickable menu. Two options: learn 10 parts on more than one item each (e.g., door on a house and door on an airplane), or learn several parts on several of th