computer chip
![Young girl stacks large blocks with images on them](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8887/puzzleblocks.jpg?h=155e127a&itok=v3T6FRj-)
Build a Giant Puzzle!
In this activity, learners assemble blocks to make images and discover how different objects are connected to nanotechnology.
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![A circuit etched on a board using photolithography.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8550/img_0163.jpg?h=2e896838&itok=O1H80Ehm)
Photolithography
In this long activity, learners will use UV light to transfer a pattern (either a network of very small metal wires or self-drawn patterns) onto a plastic board in a process called photolithography.
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