Magnetic Hour Glass
Watch in amazement as this hand blown hourglass pours bits of magnets to form unique and unusual shapes while counting down. This is a fun way to time things play games that are timed. This is a great timer for your office desk as it creates a spectacular visual display of magnets. This is a great way to teach kids about physics and magnets. Hourglass Size: 16.5 x 6 cm.
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