Building a bat house is a fun way to introduce young children to woodworking! It’s also a great opportunity to challenge kids to learn about bat echolocation and disprove the following myths about bats: • Bats are blind • Bats are flying mice This bat house kit includes precut wood pieces with predrilled holes, associated fasteners and hardware, and instructions. Finished size is 5-1/2" x 4-1/8" x 17-1/2".