Сombination Lock - build your own working model by UGears
Inspired by “The Da Vinci Code”. We dived into the world of conspirology, secrets and cryptography while designing our new intriguing Cryptex model. The Combination Lock consists of two parts. It opens if you set the right 3-digit combination. You can hide the keys, small items and your own secrets inside. The Lock has a convenient "eyelet" to hang the lock on a bag. Try to create your own Da Vinci Code’s Cryptex with 1000 combinations of 3 digit code. Assemble UGEARS Lock and get the idea of modern combination lock principle.
I cannot actually review your product as I purchased it for a friend but I will say that dealing with your company was a pleasant experience. The online ordering was acceptionally easy. The item arrived earlier than was expected which is always a plus. I'm waiting to hear back from my friend once he finds time in his busy life to put it together. Will write another review when that happens.
Ordered two different models from Ugears, both arrived from the UK to the US intact and in excellent time (one had to be sent on to New Zealand), and both produced exactly the fascinated and engrossed facial expressions on their adult male recipients that I had been hoping for as they put them together.
There's only a fairly small number of parts (just two boards) so it's fairly easy to put together. Just be careful with the axles; this build uses a lot of them, and there aren't enough in the box to use fresh ones all the time so you have to re-use the offcuts. This means you need to be careful not to snap them during assembly. Also, be prepared for a LOT of sanding. All those axles need to be perfectly smoothed off otherwise the combination discs won't rotate cleanly. Overall, though, a pretty fun build. Space inside is a little limited but it's sufficient to hold a key or two or some rolled up paper.