[Ad- gifted product] It’s been more than a minute since we last wrote up one of the KiwiCo Tinker Crates, with the last one being the super-cool Glowing Pendulum from last September. However, we had a couple of the boxes around still, mixed in with other science boxes, and so Kai and I decided to open one up during a recent long weekend. This one, box five for us, was the no-nonsense named Color-Mixing LED Crystal kit.
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