UPDATE 1/11/2015: By the time my younger son grew out of the carrier car seat (~12 months)… My neighbor gave us their old double stroller. It was bulky!!! I only used it for like a month until my older son preferred to walk everywhere (~3 years old). I put the basket back on the Baby Trend Expedition Jogging stroller and is currently using it as a single stroller again for my youngest and my older son prefers to walk or ride his scooter! This stroller is lasting us a long time!

UPDATE 2/4/2014: A friend suggested that you could strap on ankle weights on the front of the stroller to help with the tipping issue and to give the stroller a better center of balance. You can strap the ankle weights onto the bars next to the front wheels or onto the bars next to the base of the seat or under the base of the seat. My baby is now 7 months and I’ve used the stroller for almost 5 months now. He’s a big baby and has almost grown out of the car seat but this stroller has been a life saver for the last few months!! We also tried to put another baby carrier in the front seat. It worked great. Just remember to always put the baby in the front seat before attaching the baby on the bottom to avoid tipping issues. Also, remember to put the heavier kid in the front seat. 

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When we were in Ireland I really wanted to buy a double stroller because I knew we were going to have another baby but double strollers are so expensive! When our first child was born we spent the money to buy a new Baby Trend Expedition ELX Travel System Stroller set. It came with a stroller, matching car seat and car seat base. We like the stroller because of the big basket on the bottom and because of the big wheels. One thing that I didn’t like about the stroller is that it’s too heavy to be a jogging stroller. I’ve tried multiple times to go jogging with this stroller and the front wheel is wobbly and not aligned properly. However, this stroller is good for casual walks and is great for shopping! After baby#2 was born, I felt constrained inside because we didn’t have a double stroller yet. One day, this idea came to me out of the blue like inspiration from heaven. I felt like God knew I wanted a double stroller and he provided a way for me to make my single stroller into a double stroller.

First, we went to Lowes. The people there were super excited to help us with our project. We eventually found a 6 inch carabiner for $2.98. They hardware guy at Lowes also told me they sell them at Babies R Us as “Mommy Hooks” but they cost $6.99 each for the same thing.

DISCLAIMER: This post has nothing to do with the Baby Trend company. This is just an idea that is not covered by manufacture warranties. This stroller is NOT designed to be a double stroller and has its flaws. This may damage your stroller and or car seat. I am not responsible to any injuries, deaths or damages if you choose to try this idea. Another hazard is that this may cause damage to your car seat locking mechanism which would result in safety issues while using it with your car seat base as most manufactures don’t recommend you locking your car seat into shopping carts and ect. Using your stroller like this may also void your manufacture warranty. Use this idea at your own risk.

For this project all you need is:

• Baby Trend Expedition ELX Stroller
• Baby Trend Car Seat
• (2) 6 inch Carabiner

Here a video on how we made the stroller:

Here are the written instructions with pictures.

1. Take off the basket that comes with the stroller. It should snap right off the front then there are two pins holding the basket in the back on the sides. Press the pins in and the basket comes off without ruining the stroller or the basket.
2. Put on the brakes so the stroller doesn’t move while you’re attaching the car seat.
3. Change the car seat handle to the up 90 degree position and attach the carabiners to each side of the handles. 
4. Hook the car seat indents to the axle of the back wheel of the stroller. 
5. Hook the carabiners to the stroller as shown in the pictures  
6. Put the toddler in FIRST because with the car seat attached makes the stroller back heavy so it could tip. However, it is pretty stable unless someone pushes it over. After you have your toddler in you can put your baby in the car seat. ALWAYS use the seat belts just in case the stroller tips. 
7. To take off the car seat all you have to do is un-clip the carabiners. Pull the release in the front of the car seat and take the car seat off the axle.  Remember to take the car seat/baby off first before you take the toddler off to prevent tipping.

I’ve used this stroller for 2 months and I love it. I’ve gotten really good at attaching the car seat and detaching it. It only cost us 6 bucks to transform our stroller into a double stroller and I expect the stroller to last until my baby grows out of the car seat. The stroller is also very compacted compared to a normal double stroller. This double stroller can also get through doors.

So there you have it, a single stroller that converts to a double stroller. There are some obvious flaws to this double stroller idea because this stroller is NOT designed to be a double stroller. Here are some things to consider:

• The tipping issue as discussed above. However, the stroller is pretty stable as long as you have the toddler in front before you put the baby in the car seat. Whenever I have just the baby in the car seat, I’m just extremely cautious that the toddler doesn’t tip the stroller over with the baby inside.
• The brakes are harder to access with the car seat attached but all you have to do is bend down and use your hands.
• You can keep the carabiners clipped on the car seat or stroller to safe keeping.
• Using this idea cause casual damage/scratches to the stroller but it’s just like how any other well used stroller would be.
• Tuck the car seat strap on the bottom of the car seat under the car seat cover so you don’t step on it.
• The car seat does stick out a bit so it takes some adjusting before you stop hitting it with your feet but I’ve gotten use to is and I don’t kick it anymore.
• You don’t have a big basket anymore and because you don’t have a basket don’t be tempted to set heavy things in the cup holders. Really heavy things place on top of the cup holders could tip your stroller over.
• So far this design only works for the Baby Trend Expedition ELX version of the stroller. We tried it on a Baby Trend Expedition Jogging stroller and it didn’t work.
• Try attaching and detaching the car seat a few times before trying to do it with a baby as it takes some practice to get the gripping right.
• Again this could cause damage to the car seat locking mechanism which would be a big hazard while using the car seat in your car. You can also try strapping your car seat instead of using the car seat base or use a different car seat in the car to prevent issues with using a damaged car seat.
• I also wouldn’t recommend jogging with this stroller especially with the car seat attached to the bottom.

Again read the DISCLAIMER message above before trying this idea. This stroller has not been safety test. This is just a “make it do” idea. May be someone can convince Baby Trend to make a stroller like this for me. Let me know what discoveries you find!