**Spordas Sensation Ball new The National Grid Demonstration is

The National Grid Demonstration is an extremely safe way to demonstrate the advantages of distributing power at high voltages

Knot a problem

Visual Memory skills are so important in the classroom context: they are an essential element of reading

12 connectors and 6 flexi connectors

Ideal for group learning

**Spordas Sensation Ball new The National Grid Demonstration isBall with two small hard plastic balls inside. As they roll, the user hears them while simultaneously seeing them. As an added measure of fun, the inside balls act as eccentric weights making the ball roll and bounce slightly erratic and unpredictable.