Slideshow: Wrap Up a Holiday Hack

'Tis the season for mixing and mashing. Don't settle for store-bought toys when you can use them as raw material for your own one-of-a-kind designs. By Rachel Metz.
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Kiani Perez mixes music while her mother, Esther Gonzalez, and brother, Jeremy Perez, look on.Rachel Metz

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Ethan Shoshan tries to get his solar-powered noisemaker working by holding the solar panel up to a light.

Rachel Metz
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Ella Park-Chan shows off her LED ornament while workshop teacher Giana Gonzalez helps her brother, Ryan, with his.

Rachel Metz
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Federico Muelas shows participants how to hack into remote-control cars during his workshop.

Rachel Metz