Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Pipettes Pair of 300mm wooden dynamic

Pair of 300mm wooden dynamic trolleys with spring-loaded impulse rods at five compression levels

3 glass features 10mL capacity with spout for small-volume chemistry and laboratory applications

Brass-tube resonance apparatus designed to amplify a struck tuning fork at specific air-column lengths

Compares radiant-heat absorption through paired surfaces and a white screen

this decade box selects cascaded values for RC-time-constant

Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Pipettes Pair of 300mm wooden dynamicAmphioxus embryonic development model reveals gastrulation, neurulation, and chordate formation for vertebrate evolution and developmental biology teaching.