BestNest Triple-Celled Bat House Kit with Pole, 250 bats Includes BestNest Triple-Celled Bat House, Bat House Pole with Ground Socket & Book BestNest Triple-Celled Bat House will hold up to 250 bats. Mount this house on the included S&K Telescoping Bat House Pole with Ground Socket . Stokes Beginner's Guide to Bats offers a wealth of information.