25-Pack 11 x 17 inch Periodic Table Posters with 2016 New Elements Biology Kits Hand-painted pigeon dissection model with

Hand-painted pigeon dissection model with numbered structures reveals avian internal anatomy and flight adaptations for ornithology teaching

Long-focal double-convex glass lens at 75mm diameter and 250mm focal length

Used to step a class through wave superposition and beat frequencies

5 by 3 inch unit for maintaining classroom magnet inventories

25-Pack 11 x 17 inch Periodic Table Posters with 2016 New Elements Biology Kits Hand-painted pigeon dissection model withClassroom reference periodic tables in a 25 pack on 11x17 inch paper, including the four 2016 named elements (Nh, Mc, Ts, Og) plus electron configuration, electronegativity, and ionization energy.