The Ann Arbor Hands-On Museum is open New Year's Day, so it's the perfect chance to check out its ongoing exhibit, including Geakiac, which stands for Gear Enabled Analog Keyboard Input And Computer, and it holds science and technology content that's fun and accessible for all ages. There are also exhibits on space, solar energy, and plenty more.
Cost is $10 for ages 2 and older, and free for ages 2 and younger, and for members.