How do you get different colors to twist and twirl inside of a glass marble? In this video from The Magic of Making, a series of short films for kids created in partnership with BBC Worldwide, we get a peek at how a gob of molten glass and colored glass canes can be twisted, pulled, and rounded into a glistening sphere.

Follow this with a horse sculpted from hot molten glass in less than 90 seconds, The Glass Ribbon Machine, and Bert Haanstra‘s Oscar-winning documentary short film (1959) Glas.

And previously: How balloons are made.

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