The WonderFold seats are suitable from 6 months, so younger babies travel in a compatible infant capsule on the W2 or W4 car seat adapter. This guide covers which capsules fit and how the adapter works.

Which capsules fit
The adapter was designed and safety tested to fit these infant capsules only:
- Maxi-Cosi Mico 6.
- Maxi-Cosi Mico 12.
- Maxi-Cosi AP/Plus models.
- Joie i-Gemm.
- Nuna Pipa.
- Cybex Cloud Q.
Check your capsule model against this list before you buy an adapter.
Which wagon it fits
- The W2 Car Seat Adapter fits the W2 Elite and W2 Luxe.
- The W4 Car Seat Adapter fits the W4 Elite and W4 Luxe.
- If you have a W2 Luxe Pro or W4 Luxe Pro, send us a request before you buy so our team can confirm the fit.
- No car seat adapter is sold for the W6.
How the adapter works
- It attaches to one side of the wagon, leaving the other side free for a seat or bench.
- Lift out the seat or bench on that side to make room for it.
- A safety strap adds safety and stability. Always fasten it.
- It rotates through 360 degrees in 90 degree steps, so the capsule can face four different directions.
- On the W4 only, you can remove both benches and fit two adapters for two capsules.
- It folds with the stroller wagon.
Follow the fitting instructions that come with your adapter and your capsule.
Age and safety
The wagon seats are suitable from 6 months. Younger babies should travel only in a compatible capsule on the adapter. Use only the capsules listed above and always fasten the adapter's safety strap.
Need a hand?
If your adapter is damaged or does not fit as it should, send us a request and our Melbourne team will help.
More from WonderFold
Visit wonderfold.com.au for the full WonderFold range, or shop at coolkidz.com.au.
Details in this article are taken from wonderfold.com.au and were checked on 3 October 2026.
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