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Fused Silica Glass Optical Lens for Spinning Top, Smooth Glass Top Base for Spinning Office Desk or Table Top Display, Double Concave Round Glass, 150 mm Diameter - Bruce Charles Designs
Extends Spin Time - Want longer & more satisfying spins? Use this double concave glass top base for your Schulte Spin Top Toy or any spinning toy! Its smooth slick finish helps the tops spin into a state of dynamic, meditative stillness for up to 10 or more minutes Durable and Functional - Harder, smoother, & more durable than regular mirror glass, our precision-machined lens is made of fused silica. The center of this fused glass base is a double concave lens that’s thinner than the edges. So, your fidget spinners can spin smoothly

Price is $43.00
Price: $43.16