Brunton Grain Size Card | Transparent Plastic | 10 Grain Sizes IV and Infusion providing a basic and effective

providing a basic and effective setup for electrostatic experiments

125ml Glass Pestle and Mortar

21-Hair paplla

this plastic beaker is durable and resistant to breakage

This model shows the external features and internal structures of the heart and its relation with the large blood vessels

Brunton Grain Size Card | Transparent Plastic | 10 Grain Sizes IV and Infusion providing a basic and effectiveTransparent Plastic: Durable and clear material for easy viewing of grain sizes and shapes. 10 Grain Sizes: Includes classifications from very coarse to very fine with metric and phi equivalents. Grain Shape Reference: Covers five shapes from angular to well rounded for comprehensive sediment classification. Millimeter Ruler: Integrated ruler for accurate measurement in the field. Negative & Positive Reference Images: Visual aids for easier