Black Molecular Model Atom, 2.2cm, 3 Holes, 10-Pack Capacity_500g sized so a single purchase

sized so a single purchase covers polarity-coded long-haul wiring at both rails of a bench setup

this eight-piece weight set bundles precision-machined steel shafts spanning 10 to 500 grams on a wooden block

Four developmental stages from primary dentition through permanent mature teeth across eight model pieces support pediatric dental-development teaching

Distilled or deionized waterKit Specs

and small motor circuits without bare-terminal hazards

Black Molecular Model Atom, 2.2cm, 3 Holes, 10-Pack Capacity_500g sized so a single purchaseThree hole black atoms in a 10 pack at 2. 2cm diameter, a spare parts component for modeling three bonded carbon centers in ball and stick molecular kits.