25-Pack 11 x 17 inch Periodic Table Posters with 2016 New Elements Biology Kits Nine-piece hooked weight set with

Nine-piece hooked weight set with seven polished brass and two powder-coated steel masses spanning 10 to 1000 grams

Students perform a series of four experiments involving invertase

lubricating properties

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

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

25-Pack 11 x 17 inch Periodic Table Posters with 2016 New Elements Biology Kits Nine-piece hooked weight set 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.