Wooden Test Tube Support with Draining Pins, 6-Place Subcategory_Power Supplies Half life-size circulatory system board

Half life-size circulatory system board traces arterial and venous pathways from heart to peripheral capillaries with numbered

Used where strong

75:1 step-up ratio

this Brownlee-pattern apparatus gives a clean visual proof of the 2:1 stoichiometry of water decomposition

Three-part color-coded human skull model differentiates bone regions and sutures for detailed cranial anatomy instruction

Wooden Test Tube Support with Draining Pins, 6-Place Subcategory_Power Supplies Half life-size circulatory system boardDraining pins paired with a turned post hardwood frame give this six place test tube support inverted drying plus upright storage for tubes up to 19 mm across.