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I want to buy two sets of the LEGO Tracked Racer 42065 so that my children can play together. I can't tell if they would be able to use the racers simultaneously.
Are the IR receivers multi-channel? Can the sets be raced simultaneously?
Yes, LEGO's Power Function IR elements have 4 different channels you can switch between with an orange slider on the receivers and remotes, so you can run up to 4 at a time.
Another friend in our LUG uses 4 models at a time. Two for each of her sons, one for their uncle and one for herself...
She redid the models in splendid new color schemes:
Required, but never shown