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Hint R4 - Light-up coaster cars
A few Micro K'NEX coaster cars include two small lights, which illuminate when the car is in motion - ideal if you want to operate your coaster in the dark.
Light-up coaster cars are supplied in sets such as the 34043 Dragon's Revenge coaster.
The cars can also be bought as individual items in our K'NEX shop.
Note that Hint R3 provides more information about building models using Micro K'NEX coaster cars and track.
The light-up car comes with 3 batteries already installed.
To replace the batteries, use a small Philips screwdriver to loosen the screws, then remove the battery door. Then insert 3 new batteries (LR41, AG3) into the battery compartment with the correct polarity (+/-) as shown in the photo.
WARNING: This product contains a Button or Coin Cell Battery. A swallowed Button or Coin Cell Battery can cause internal chemical burns in as little as two hours and lead to death. Dispose of used batteries immediately. Keep new and used batteries away from children. If you think batteries might have been swallowed or placed inside any part of the body, seek immediate medical attention.
CAUTION: To Avoid Battery Leakage Insert batteries with correct polarity (+/-) as shown. Do not mix different types of batteries. Do not mix alkaline, standard (carbon-zinc) or rechargeable batteries. Do not mix new and used batteries. Only batteries of the same or equivalent type recommended should be used. Remove exhausted batteries from the toy; do not short-circuit supply terminals. Remove all batteries if the toy will not be used for a long period of time.
Important Tips Alkaline batteries are recommended. Rechargeable batteries are not recommended. Remove rechargeable batteries before recharging; they must be charged only under adult supervision. Non-rechargeable batteries must not be recharged. Keep components free of dust; do not immerse or use in water. Do not dispose of batteries in a fire; they could leak or explode and cause injury