i just check back instruction for my fairground mixer, and it is same 8883 + 88000
but i use M motor from 8293 instead, and no problem at all...
i think should be the same for ferris wheel as well
from the instruction pictures, i can see there's gear reduction for motor, so M Motor should be no problem to turn the big wheel... even no problem for L Motor or XL Motor
and it looks like quite easy to put big motor in from the hand crane part...
for the battery box, the 88000 is easy for u to put it in base, but basically it is same with the battery box from 8293... maybe the difference of AAA or AA battery and design/size but both can use with the M Motor or any other motor nicely...
for the battery box from 8293, have to put aside, which may look not so nice overall, or u can add some extra part to make it can put on base...
just found back my old picture of my fairground mixer
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the RC part is just there for me to control the speed
speaking of speed, there's one battery box, similar with 88000, but with speed control build in, so no need to use RC part like what i did...
BTW, normally like this should be a lot of technic sifu here post something
but now it seems only me
i was about to post this shop name
not sure is this shop the best price, but it is near my office

Thanks a lot bro for the double confirmation. Then I will definitely get this set. Ya I know the 8293 battery box can't really fit nicely on the plate. But I get what I paid. So it's ok. As this set comes wit the two LEDs which can be added to the wheel underneath. Saw the video from SBrick with BT control which totally blows my mind away. But the price a bit steep for the Control module I think USD59.99 excl delivery. But the idea of having a BT control from my iPad/iPhone controlling the speed with the set inside my seal display box blows me away haha! Ok back to work.