3D Pens - recommendations please

[ImAbsolutelyTwatted]

DS (12) seems to have a growing interest in drawing and building/creating so thought a 3D pen would be a great gift. Had a Google and came across a Polaroid 3d one however seen mixed reviews. Any personal recommendations? Ideally don't want to spend more than £50.

Anyone?

Pretty sure argos sells them. Debating on getting one for ds.

I got one for ds8 last year. Not sure if it's just a bad pen but regret getting it. He does still sometimes play with it but it seems to be impossible to make anything decent with it. It's just how it comes out and how difficult it is to stop the flow at the right time. This is definitely one of those presents that was a waste of money. But again this could be just because I've bought a bad quality one.