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- gadgetspace (52495)- Feedback left by buyer.More than a year agoVerified purchaseGood buyer, prompt payment, valued customer, highly recommended.
- rare-and-retro-mobiles-uk (5789)- Feedback left by buyer.More than a year agoVerified purchaseGreat communication. A pleasure to do business with.
- angran-81 (100)- Feedback left by buyer.More than a year agoVerified purchaseGreat eBay we. Paid promptly.
- simmonds87 (1587)- Feedback left by buyer.More than a year agoVerified purchaseThank you for an easy, pleasant transaction. Excellent buyer. A++++++.
- anth.-84 (247)- Feedback left by buyer.More than a year agoVerified purchaseThankyou very much, Your order is much appreciated. Great buyer and prompt payment
- pavi2024 (125)- Feedback left by buyer.Past 6 monthsVerified purchaseThank you for an easy, pleasant transaction. Excellent buyer. A++++++.
Reviews (8)

11 December 2022
Small yet huge!
What's not to love? This'll keep anyone busy for ages trying to solve some of the harder levels. Compact, enticing, fun. Love it.

12 November 2023
Buy it and have fun
It deserves its 5-STAR rating. Great fun all round.

14 April 2023
Turin Tumble Tremendous
Soon as I saw this I knew I had to have one. It works on so many levels.
You can just watch it as a multi-variable marble run, it's mesmerising.
But it is so much more than that. It is a visual hands on computer which shows you how they work. It can do lots of maths and if you know your binary you are in for endless fun.
It is so satisfying watching it carry out your program, especially when you get it right. Very clever and very well conceived. Hard to leave alone, it's so fascinating.
Fantastic fun as well as very educational.