Designed to be easy to assemble, yet make a strong and sturdy bird box, this can be easily put together in 10-15 minutes.The kit is made from sawn timber which is treated to prevent decay. All fixings are supplied so all you'll need is a screwdriver and hammer.The box is predrilled with a 25mm hole which will allow small birds to use it whilst keeping out larger birds.Kit includes: 6 pieces of timber, roofing felt, screw, nails and an instruction sheet.