US$ 40.00
reading to 0
supporting construction of complex organic and inorganic structures in advanced chemistry courses
Twenty-one bacterial model set demonstrates morphological diversity
totaling 500 grams and linkable in chains for cumulative loading during balance experiments and physics demonstrations
Large 8 x 4 ft Periodic Table Chart with New Elements on Corrugated Plastic Board Subcategory_Eye Protection reading to 0Wall scale 8x4 foot periodic table chart on corrugated plastic board, including the four elements named in 2016 (Nh, Mc, Ts, Og) and visible from across the classroom for whole class reference.
US$ 40.00
US$ 34.00
US$ 54.00
US$ 44.00
US$ 44.00