Bulk hole plates to expand your TeacherGeek collection

• Sturdy hole plates
• Endless configurations

The sturdy rectangular TeacherGeek Hole Plates form the basic structure for gear/pulley transmissions, motorized/rubber band vehicles, launchers, turbines, hydraulic arms or original design innovations. The four splined corner holes securely hold dowels in place. The remaining 196 holes allow for endless gear/pulley configurations and free axle rotation.