Weis’ Habitat Handyman, Bob Weismantel, will guide families through the construction of some simple birdfeeders using mostly recycled materials and explain the Cornell Lab of Ornithology’s Project Feederwatch and how your family can participate in this ongoing research project. For children ages 7 to 12. Limit: 12. Cost (includes supplies and one chaperone/child): $6 M, $10 NM.