Up for sell is vintage set of The Leiter International Performance Scale made by Stoelting Co. this is set of Three Tray’s from 1,2 & 3 tray as seen in the picture.

This are old use and still is in usable condition.

The Leiter International Performance Scale, is an individually administered, completely nonverbal test used to measure intelligence and cognitive abilities. It is widely used to evaluate individuals with autism, speech/hearing impairments, or those who are non-English speaking.

Please feel free to ask questions.