4-Species Wooden Boards Set, 8" (Poplar, Oak, Pine, Maple) Glassware_Glass Pipettes and cell membrane for introductory

and cell membrane for introductory plant cell teaching

and acceleration over time

this 2-input XOR gate module shows HI and LO output states with red and green LEDs and a printed reference

and the attached adrenal gland for urology and endocrine anatomy teaching

Hand-crank centrifuge spins four 15mL tubes for teaching sedimentation

4-Species Wooden Boards Set, 8" (Poplar, Oak, Pine, Maple) Glassware_Glass Pipettes and cell membrane for introductoryFour board hardwood set in poplar, oak, pine, and maple at nominal 1 by 4 by 8 inch dimensions, chosen as a density and hardness comparison kit across common structural wood species.