Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.
Ladybug Life Cycle Stages, Children can see how Ladybugs change as they grow with Insect Lore’s Ladybug Life Cycle Stages. These oversized, anatomically correct figures have been accurately painted and sculpted to show the four stages of ladybug development: eggs, larva
Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has taken place.
Model Functional Lung Apparatus, unique and easy-to-use model features parts that replicate the actions of respiration, Easy to Assemble, includes an acrylic bell jar, Y tube, two balloons, rubber diaphragm with a knob for ease of movement, and an instruction manual
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Easy View (new)
