The Flashlight Assembly, model 209-Q, is a training system for matching/sorting/assembly and work simulator designed to develop assembly and quality control skills in people with cognitive disabilities. This task involves a seven-step process to assemble working pen flashlights, requiring inserting, sequencing, and turning. If properly assembled. the flashlight can be turned on. The set includes parts for 24 flashlights, parts box, product bin, and instructions. WARRANTY: The manufacturer guarantees complete satisfaction with this product or it may be exchanged or returned for a full refund or replacement within 30 days of the date of purchase.