Item Package Dimension: 15.399999984292" L x 11.399999988372" W x 6.599999993268" H
Item Package Weight: 3.30032006214 lb
Description
Set includes two helical springs. The long, narrow spring measures 3/4" x 72", and can be extended to 5 meters. The larger spring measures 3" x 4", and can be extended many times its length without distortion. Includes activity guide.