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These were made of a light weight aluminum. Gave off a little sound of the two pieces swirling through each other. Loved the good quality of them. Lightweight and fun.

Great fidgets, they are not silent but not too loud either.

My kids use this to keep them busy in school so they can learn

One of my nieces had this on her Christmas list. She was very happy with it.

A marvelous use of 3D printer technology, these make outstanding fidget toys. The only reason I don’t give 5 stars is that the sound they make as the pieces slide through each other and hit hard surfaces is potentially distracting or even grating for people in a group (such as a therapy session, classroom or conversation). I myself am ok with it - an almost metallic ‘zip’. If the plastic was smoother and a bit more rubbery you might get the sound level lower and more pleasing. That said, I’m guessing the tradeoff might be a less visually striking appearance- the slightly metallic sheen combined with the smoothly graded color shift (vibrant, unusual colors) really enhance the magical effect of the design. I love the gold/ orange/rose/ fuchsia on mine. Product photos don’t do this aspect justice. There are a great many potential forms and directions in which this basic idea might develop. I hope we’ll see some more come to market! These particular products seem to be well-made, durable, impact-resistant, and operate smoothly. Very portable and yet not too small. Very good value for money.

Teens are obsessed with these. Very fun fidget- unique and keeps them busy

Preparing for some of our neurodivergent visitors to the museum, these are a hit and fun to fidget with. Well made, calming to use and very nicely made. The wild colors are fun and provide a great way to keep the cones together.

Ultimately, it's cute for ten seconds, and then it's lost forever