Cool toys for gifts

I just bought a couple demo toys for my son’s bday:

https://mechanicalgifs.com/models/pin-tumbler-lock

https://mechanicalgifs.com/models/radial-engine

He’s really going to enjoy them (and I’m going to enjoy assembling them)

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Darn. I thought this thread would be about ‘marital aids’

This reminds me, I’ve got a vintage model of the Wankel engine that my son and I need to put together. Once I find it.

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Aside: Mazda is experimenting with putting a smaller rotary engine in cars as electrical generators.

It’s an interesting concept but I’m not sure how well it’ll be received. I’m more curious to see if the rumors are true about the next Mazda6 having a straight six turbo and RWD.

Back in the day my favorite place for toys/gifts was www.fatbraintoys.com