the yellow light switch by jaesik heo from korea

'The bowing cart' is designed to solve a problem of handcart which have a wheel. 'The bowing cart' can sit it down when we load baggage on the cart so the people can wor more easily. The handcart for narrow road which have a wheel is difficult to balance. But 'The bowing cart' is easier to use than usual cart on the narrow or wide way with supported wheels.