6-Model Placentation Types in Flowering Plants, 16 x 12" Base Item Type_Home Furnishing letting students switch between low

letting students switch between low and mid-current scales without swapping instruments

Half-wood-half-metal 200 by 30mm cylinder demonstrating thermal-conductivity differences through a wrapped paper that scorches over wood but stays uncharred over metal in flame

with a slide-bar carriage and three binding posts at the winding ends and slide bar

this three-finger lab clamp pairs vinyl-coated prongs with a swivel bosshead for flexible rod mounting

6-Model Placentation Types in Flowering Plants, 16 x 12" Base Item Type_Home Furnishing letting students switch between lowSix placentation patterns marginal, parietal, axile, free central, basal, and superficial mount side by side for comparative angiosperm reproduction teaching.