Electrophorus Demonstration Subject_Zoology Large-scale typical flower model with

Large-scale typical flower model with removable floral parts and a bisected ovary showing internal ovule arrangement for detailed botany instruction

Life-size muscular skeleton model features painted muscle origins

with a 0 to 20 second reaction window for sanitation and food-safety checks

Wooden wheel-and-axle simple-machine model on a 9

and a four-sphere Perspex cylinder

Electrophorus Demonstration Subject_Zoology Large-scale typical flower model withDemonstration electrophorus with a 9cm aluminum disc, insulating handle, and rubber footed plastic base, capable of producing repeated sparks once the base is charged by friction.