Just watch magnetic hourglass timer can not be used. Handmade, the product is made out of blown hourglass master craftsman handiwork. Natural wood will stammer and blemishes is normal, when the hourglass attention must not be placed opposite the base of the magnet against the hourglass, it will produce an hourglass rupture. Hourglass take place when we must gently, since the magnetic force is too large, it is recommended not to pro polarity reversed placement, will produce the hourglass burst.
Due to a large hourglass magnetic magnetic, shake before using, if magnetic sand block, you need to pat down the outer wall of the hourglass bottle or shake can be.
High Quality Fashionable Magnetic Hourglass