The S & S Controller is an ingenious, repeating nest-box trap for House Sparrows and starlings that automatically resets itself after each capture.
It mimics a Purple Martin house with its multiple fake holes (making it irresistible to House Sparrows and starlings), but when placed correctly (i.e., right next to outbuildings and trees), it will not attract martins.
The S & S Controller is available in kit form, or as detailed plans.
Kit comes complete with one pre-built cedar trap (unpainted), PVC pipe, holding cage, all necessary hardware, and the S & S plan booklet.
Purchaser must supply a 6-foot 4" x 4" ground post, and two twelve-foot 2" x 4"s for the pivoting trap post. Minimal assembly required.