The most common question we get, and the one people most often get wrong. Almost nobody regrets going bigger. Plenty of people wish they had measured first.
Here is how to choose.
Start with the floor, not the child
Before anything else, clear the space you actually intend to put the mat in and measure it. Then leave a margin — a mat that runs hard against a bed frame or a couch gets kicked up at the edges and stops looking good within a month.
A mat wants to sit in open floor with room for a child to kneel on all four sides. That margin is the thing people forget.
The three sizes
Mini — 100cm x 150cm
Suits a bedroom floor, the end of a hallway, or the space beside a bed. This is the size to choose if the mat has to be packed away between sessions, or if it is travelling to grandparents' houses.
One child, comfortably. Two at a squeeze.
Choose the Mini if: your floor space is under about 2m x 2m, the mat needs to be portable, or you are buying for a younger child who is mostly playing solo.
Medium — 150cm x 200cm
The size most families land on, and the one we would pick if someone made us choose blind.
For scale, it covers roughly the footprint of a three-seat sofa. That is enough for two kids to race side by side without elbowing each other off the track, and enough for an adult to sit on the edge and join in.
Choose the Medium if: you have a bedroom, playroom or living area with a clear 2m x 2.5m, or you are not sure and want the safest call.
Mega — 200cm x 300cm
A full racing environment rather than a play mat. About the size of a queen bed plus a bit more.
This is the one for rumpus rooms, large playrooms and clubrooms. There is room for a full field of cars, the pits, and kids sitting inside the infield while the racing goes on around them. It is also the size that turns into a family activity rather than a solo one, because there is space for adults on it.
Choose the Mega if: you have a clear 2.5m x 3.5m, more than one child, or you want the mat to be the centre of the room rather than a corner of it.
A quick comparison
| Mini | Medium | Mega | |
|---|---|---|---|
| Size | 100 x 150cm | 150 x 200cm | 200 x 300cm |
| Floor space to allow | ~2m x 2m | ~2m x 2.5m | ~2.5m x 3.5m |
| Comfortable for | 1 child | 2 children | 2–4 children |
| Roughly the size of | A two-seat sofa | A three-seat sofa | A queen bed and a bit more |
| Packs away easily | Yes | Yes, with a bit of effort | Not really a daily thing |
Three things worth knowing before you order
Measure, do not estimate. Rooms read smaller than they measure. Mark the size out on the floor with masking tape if you are close to the line between two sizes.
Allow a day or two for it to flatten. Every mat ships rolled. It will sit flat on its own after a day or two — it does not need weighing down.
If you are between two sizes, go up. The extra track gets used. The money you saved stops mattering within a week.
Everything else is the same
All three sizes use the same dirt-oval speedway layout, the same thick soft foam core, the same printed microfiber surface and the same non-slip backing. The only difference is how much track you get. If you are new to these, what a speedway play mat actually is covers the basics.
All three ship free anywhere in Australia, dispatch within 1 business day with tracking, and are covered by our 30-day money-back guarantee — and we pay the return postage. So if you do call the size wrong, it is fixable.
See all three sizes and current pricing, or have a look at our FAQs for answers on materials, cleaning and delivery. Buying it as a present? Our speedway gift guide covers the other options too.
