I finally found it. After looking at dozens and dozens of 'Dice rollers' and dice trays and purchasing a half dozen of them, I finally found one that works and works well. I don't think you can go wrong with this one and I highly recommend it. I personally am going to buy at least one more, since we often have games with a number of players and we can keep dice towers/trays at various points around the table.POSITIVES: -- Price is right. It is not much more expensive than other 'dice roller towers' that don't work very well or that have significant drawbacks. -- You WANT a unit that has a tray like this if you play a lot of dice games. With this tray, the dice stay where they should and don't roll around the table, messing up your 'setup' and falling on the floor. -- Tray is large enough to accommodate a LOT of dice on the roll. I use up to three dozen 12 mm (mini) dice all at once in my Warhammer game, but you could still use a dozen or two of the larger (16 mm) dice if you wanted. -- Total area in the tray is about 30 square inches, so dice have less problem with bumping up against each other, or not lieing flat. If you roll 30 dice, this gives 1 inch space per die in the tray. My 12 mm dice are only 1/3rd of an inch diameter, but 16 mm (standard dice) are just a bit over 1/2 inch diameter so it fits less of them. If I had my preference would I like a unit with a bigger tray? Yes. But I haven't found one that is larger, that works. -- Dice simply DO NOT get stuck inside, which is a real problem with almost every other foldable dice roller tower that I have seen, including all the ones I have bought. -- Dice tower is attached to the rest of the unit. It all comes in one piece, which is better than most other dice towers. -- A lot of people just use a dice tray, and that is nice, but the design of the tower guarantees good randomization. It produces at least FOUR good, "randomization rolls" as the dice fall through the tower. Which is as many 'randomizations' as I have ever seen. -- The whole thing is one single piece. You won't lose part of it, like happens with some other tower and tray sets. -- It is foldable. It folds flat, which makes for easy storage and transport, yet assembles instantly and is held together by magnets and snaps. -- When assembled, the tower is also held in place with magnets, so it doesn't tend to fall or flop backwards, which is what happens with the dice towers that just 'clip on' to their trays with 'slots' in the tower. -- It is thoughtfully designed. For instance, one thing you might not think of is that, with most other 'dice towers' as you dump the dice into the tower, they often fall out on the other side of the tower, but this tower has a higher 'back' than 'front' making it easier to put in the dice with less 'spillover.' -- The whole thing is faux leather exterior with 'felt' insides, so the dice don't rattle and clink and make as much noise as they fall. Wood and hard plastic dice rollers often make a lot of noise. -- It comes in multiple colors. This is nice. -- It was delivered quickly. Doesn't need to be shipped from another country.Does it sound like I think this is a good unit to buy? It should. As you can see, I have done my homework and I have a lot of experience for comparison.What are some 'DISADVANTAGES?' The only one I can think of is that it comes in the shape of a castle and drawbridge, which is kind of D & D themed (Dungeons and Dragons). I play various games, but since I mostly play Warhammer, this might be a consideration for some people. Personally, I don't think it is a problem, because of all the other advantages that this unit 'brings to the table.'So, overall, I guess I am saying that this is an excellent choice for a "Dice Roller Tower and Tray." I haven't seen a better one, personally. And I recommend you buy it if you are looking for something like this. If you do that and you are unhappy with it, I would be interested in hearing your thoughts.I am not associated IN ANY WAY with the people who make this or sell this, so this is an honest review, based on my own experience.