Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Pipettes Brass-tube resonance apparatus designed to

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

and intestine anatomy in teaching position

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

Snap-apart 2-inch ceramic bar magnets in a 10-pack

Sixteen-SWG bare constantan wire on a 125g reel — a copper-nickel alloy with a low temperature coefficient that holds resistance steady across a wide temperature range

Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Pipettes Brass-tube resonance apparatus designed toAmphioxus embryonic development model reveals gastrulation, neurulation, and chordate formation for vertebrate evolution and developmental biology teaching.