Electric Cardiac Heartbeat and Blood Circulation Diagram Model Comes with battery - Easy

Comes with battery - Easy to replace by unscrewing the bottom screws

Quirky Home Decor: Transform your space with a touch of the extraordinary

Ultimate Bulk Premium Molecular Model Set 555 pcs With Instruction Manual

Premium Quality: Pattern Shapes are made of high quality

ideal for large-scale chemical reactions and distillation processes

Electric Cardiac Heartbeat and Blood Circulation Diagram Model Comes with battery - EasyIncluded: Electric Cardiac Heartbeat and Blood Circulation Model Anatomy (Circulatory System Model). Size: 35cm X 90cm X 9cm. Blood circulation is shown by light flash which in red represent arteries blue represent vein. The valves can also show the opening and closing. Blood circulation is shown by light flash which in red represent arteries, in blue represent vein. Perfect for the doctor's office, anatomy classroom, or study aid. If you need custom