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The lightest stroller trike in the range at 5.9 kg, and the one that actually leaves the house. It converts as your child grows: a parent-pushed stroller from 10 months, then a trike they steer and pedal themselves, through to around 3 years.
Folds in 3 seconds to 54 x 25 x 34 cm with no tools, and runs the same patented 360° one-handed steering, shock-absorbing front wheel and 5-point harness as the rest of the Wonder range.
The lightest in the range. At 5.9 kg the Wonder is the one to choose when carrying weight is the deciding factor. Light enough to lift into a boot one-handed, with a child on your hip and a bag on your shoulder.
One hand, always free. Patented 360° steering turns on the spot and reverses smoothly through corners, so you can push, turn and carry a coffee at the same time.
Folds in 3 seconds. Down to 54 x 25 x 34 cm with no tools and nothing to detach. Small enough for a boot with the shopping still in it, or a hall cupboard in a flat.
Certified as a stroller, not a toy. Tested to stroller safety standards rather than toy standards, with a 5-point harness, a patented shock-absorbing front wheel and a one-foot rear brake.
Breathable through the back. A mesh seat panel lets warm air move through instead of building up behind them, which matters more here than most places.
It grows with them. Four modes across two and a half years, so it replaces a second stroller, a first trike and a balance-bike stage with one product.
Stroller mode. From 10 months. Your child is harnessed and supported, the pedals are locked, and you steer from the parent handle.
Trike mode. Once they can hold the handlebars. They ride and you keep control, so they get the feeling of riding before they have the coordination for it.
Training mode. As their feet reach the pedals. They power the trike, you guide direction from behind.
Free riding. The parent handle comes off and the trike is entirely theirs to steer and pedal. You walk alongside.
There is no fixed age for each switch. Follow your child rather than the calendar.
Age range: 10 months to 3 years
Weight: 5.9 kg
Folded size: 54 x 25 x 34 cm
Fold time: 3 seconds, no tools
Frame: Lightweight aluminium
Seat: Breathable mesh
Canopy: 2-stage
Harness: 5-point
Steering: Patented 360° one-handed, with reverse
Brake: One-foot rear brake
Suspension: Patented front wheel shock absorber
Certification: Tested to stroller safety standards
Warranty: 2 years in Australia
Free shipping Australia-wide, dispatched from our Melbourne warehouse. Every smarTrike® sold in Australia carries a 2 year warranty, in addition to your rights under the Australian Consumer Law. Distributed in Australia by Coolkidz Australia Pty Ltd.
The best stroller trike is the one that leaves the house. At 5.9 kg the Wonder™ is the lightest in the range, which is why it ends up in the boot for the school run, the market and the beach path rather than staying in the garage.

Why it exists
Every parent has owned something that was too much effort to bring. A heavy pram gets left behind on the days it would have helped most. The Wonder is the entry point to the range and the lightest thing in it, which makes it the one that gets used rather than the one that gets stored.

5.9 kg
A lightweight aluminium frame brings the whole trike in at 5.9 kg. That is light enough to lift into a boot with a child on your hip and a bag on your shoulder, which is the situation that actually matters.

Compact folding
Down to 54 x 25 x 34 cm with no tools and nothing to detach. It is the smallest fold in the range, small enough for a boot with the shopping still in it or a hall cupboard in a flat.

Patented 360° steering
Turn on the spot, reverse smoothly through corners, and back out of a lift without lifting the trike. Then hand the steering over to your child when they are ready for it.

Breathable mesh seat
A mesh back panel lets warm air escape rather than building up behind them, with a 5-point harness and padded shoulder straps. The 2-stage canopy shades their head and shoulders on the way out.

Front wheel shock absorbers
A patented shock absorber on the front wheel takes the jolt out of kerbs, tram tracks and cracked footpaths, with a one-foot rear brake so you can park on a slope without holding on.
10 months to 3 years
It changes shape as your child does, so you are not buying a pram, then a trike, then a balance bike.
Stage oneStroller mode
From 10 months. Harnessed and supported, pedals locked. You steer.
Stage twoTrike mode
Once they can hold the handlebars. They ride, you still steer.
Stage threeTraining mode
As they find the pedals. They lead, you guide from behind.
Stage fourFree riding
Pedals and steering are theirs. You just walk alongside.
The detail
| Age range | 10 months to 3 years |
|---|---|
| Weight | 5.9 kg |
| Folded size | 54 x 25 x 34 cm |
| Fold time | 3 seconds, no tools |
| Frame | Lightweight aluminium |
| Seat | Breathable mesh |
| Canopy | 2-stage |
| Harness | 5-point with padded straps |
| Steering | Patented 360° one-handed, with reverse |
| Brake | One-foot rear brake |
| Suspension | Patented front wheel shock absorber |
| Certification | Tested to stroller safety standards |
| Warranty | 2 years in Australia |
Not sure yet?
The Wonder is the lightest at 5.9 kg and the entry price at $389.00. The Wonder+ is $489.00 and adds a 3-stage canopy and an extra-large seat for longer days in the sun. The Wonder max is the only one suitable from 6 months, because its seat reclines to 140°, and it is the one to choose if your child still naps on the move.
Compare all threeQuestions
From 10 months to around 3 years. Your child needs to be able to sit up unaided, because the Wonder seat does not recline. If your child is younger than 10 months, the Wonder max is the model designed for them.
5.9 kg on a lightweight aluminium frame. That makes it the lightest of the three Wonder models, ahead of the Wonder+ at 6.42 kg and the Wonder max at 6.95 kg.
Both start at 10 months and share the same frame, steering and fold. The Wonder is the lighter and cheaper of the two at 5.9 kg and $389.00. The Wonder+ is $489.00 and adds a third canopy stage for more shade and an extra-large breathable mesh seat.
Yes. It starts as a parent-pushed stroller with the pedals locked, then converts to a trike your child steers and pedals themselves. That means it covers the whole span from before they can ride to riding independently.
The Wonder folds to 54 x 25 x 34 cm in about 3 seconds, with no tools and no disassembly. That is the smallest folded footprint in the range.
Yes. smarTrike stroller trikes are certified to stroller safety standards rather than toy standards, which is the higher bar in child mobility products. The Wonder has a 5-point harness, a patented shock-absorbing front wheel and a one-foot rear brake.
Yes. The patented 360 degree steering system is designed for one-handed control, including reversing through turns without lifting the trike.
Every smarTrike product purchased in Australia comes with a 2 year warranty, in addition to your rights under the Australian Consumer Law. Shipping is free Australia-wide, dispatched from our Melbourne warehouse.
Not sure this is the one?
Three quick questions on age, how often you will use it and what matters most, and we will point you to the right trike. Or read the full comparison of the whole range.