Subtitled: "The sequential movement puzzle". Made from solid brass.

• Inventor: Tom Cutrofello
• Mechanism: Rings of pieces (2D + rotation)
• Patents: Unknown
• Producer: Brainwright
• Year: 2016
• Original Price: $39.00 USD
• Current Price: $9.99 USD

A puzzle inspired by Top Spin by with a new twist. In this puzzle the marbles are exchanges in two pairs. This could be a feast for puzzle theorists: Which is more difficult? Turnstile or Top Spin?
Length: 60 mm
Height: 40 mm
Thickness: 19 mm
Weight: 174 grams
Size of the box: 98 x 98 x 50 mm
Weigth of box+puzzle: 281 grams

In 2022 the plastic version "Turnstyle" (see images 7-11) hit the market.
Size: 40 x 60 mm

2022 Karolis Kairis presented the Rota-Rius which is equivalent but does present a ring of pieces. See the seperate entry.

Price Tracking Data

DISCLAIMER: The following table contains user-generated content. This information is collected to serve as a rough guideline and is certainly not complete and may not even be accurate. This information is filtered and carefully moderated, but incorrect information will inevitably find its way into the system. Always use your own judgement when buying or selling an item.

	Sale Date	Price (USD)	Sale Type	Condition	Package Condition	Notes	Contributors	Edit
	Jun 25 2022	$9.99	Other	Mint	Sealed	None	Becky
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