LEGO 4544091

LEGO 4544091
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I've had 10 sets for a few months now. I've started a Robotics group with 6-8th graders. I'll explain my ratings.

The kids love the kits, so fun is up there.

The educational value is middle-of-the-road. If you already have NXT/Mindstorms programming experience then this kit has educational value. But if you are just starting out it is difficult and unnecessarily so. I have programming experience so I am OK with it, but 6th graders can get frustrated -- exactly what you don't want. The included s/w offers too few example robots and programs. For those examples that are there, the instructions are clear and the programs work. But students will not learn programming without additional instruction. So teachers beware: you will need to create a tutorial in your curriculum. There is a site for more robot instructions (NXTPrograms.com), but there's not much there yet for this new 2.0 version. There are also some tutorial videos available online (e.g., ortop.org) for the previous version.

Another complaint I have is the kit is not backward compatible. In other words, you can't make all the kits from the previous version (you can make a few). LEGO should come out with a compatibility upgrade kit so that all the robots and programs that were invented for the previous version don't just die out.

As far as durability goes, we have had one motor seize, but LEGO replaced that fairly quickly.