Forget Everything You’ve Ever Known About Cutting – WonderCutter Is Here! Precision cutting using 40,000 ultrasonic vibrations per second. Cuts plastic, balsa, plywood, rubber, acrylic, cardboard and more. 40 blades included with replacement blades available. Rechargeable, portable size, and compact design. The WonderCutter will replace every knife in your shop and expand your craft! Made in South Korea.