Raspberry Pi Starter Kit

~$230 typical price

A tiny programmable computer with case, power supply and projects.

Why it makes a great gift

The ultimate tinkerer's toy: build retro consoles, servers and robots.

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~$130

GQ GMC-320 Plus Geiger Counter

It makes an invisible part of physics audible, and curious owners spend weeks testing rocks, old glassware and airplane cabins.

Science NerdsTech Lovers

~$120

Hakko FX888DX Digital Soldering Station

A useful bench tool for someone who builds or repairs small electronics.

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~$200

TOPDON TC001 Thermal Camera for Android

A fascinating tool for a maker who likes finding heat leaks and exploring how things work.

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~$190

Aranet4 Home CO2 Monitor

Gives a data-minded person a clearer picture of when to ventilate a room.

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