Van De Graaff - Spare Combs Rub Upgrade Kit L1-Outside & Active-L2-Mats & Post Protectors-L3-Pole & Post Protectors Ideal for classroom and seasonal

Ideal for classroom and seasonal crafting

with the square block measuring 9 x 9 cm

Compact and lightweight for easy classroom use

Promotes concentration and memory as children identify and recall sounds

Van De Graaff - Spare Combs Rub Upgrade Kit L1-Outside & Active-L2-Mats & Post Protectors-L3-Pole & Post Protectors Ideal for classroom and seasonalThis Spare Combs Rubber O Ring Upgrade Kit is designed to support the maintenance and performance of IEC Van De Graaff Generators. Combs play a critical role in transferring electrostatic charge from the belt to the dome, and this kit includes durable rubber O rings to ensure a secure and precise fit. Over time, wear and tear on these small components can affect overall performance, so this upgrade kit helps extend the life of your generator and