+ (make-item "9v battery"
+ 1 1.29 1
+ (string-append
+ "https://www.jameco.com/webapp/wcs/stores/servlet/Product"
+ "_10001_10001_151095_-1")
+ "can get in store")
+ (make-item "9v battery holder"
+ 1 (/ 1.25 10) 1
+ (string-append
+ "http://www.jameco.com/webapp/wcs/stores/servlet/Product"
+ "_10001_10001_2128067_-1")
+ "can get in store")
+ (make-item "AA battery"