12" Black Stackable Banana Connecting Lead Subject_Geology Extreme 300x enlargement resolves fine

Extreme 300x enlargement resolves fine structures including capillary beds and nerve endings in a detailed skin cross section for histology and dermatology teaching

Permanent-magnet stack inside an 8 x 5 inch base recharges weakened bar and horseshoe magnets by realigning their domains - no electrical power

Single D-cell holder mounted on a base with 4mm sockets

Brass-wire conductor and seven plotting compasses on a clear base

12" Black Stackable Banana Connecting Lead Subject_Geology Extreme 300x enlargement resolves fineTwelve inch black insulated 4mm stackable lead with banana plugs at both ends, supplying the imperial length counterpart to the 300mm metric lead for inch scaled bench setups.