Coils and Core Transformer Activity Set Subcategory_Test Strips one fitted with an exploder

one fitted with an exploder piston for momentum and action-reaction investigations

Hand-cranked 4-stroke gasoline engine model at 13

Hand-painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching

sweat glands

letting students sweep through resonance and watch amplitude peak when drive matches natural pitch

Coils and Core Transformer Activity Set Subcategory_Test Strips one fitted with an exploderTransformer activity set with a plastic base, laminated iron core, and a selection of wound coils, letting students explore induction, step up step down ratios, and magnetic property variations.