Lifespan HyperJump 3 vs Kahuna Classic
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The HyperJump 3 is springless, using elastic straps rather than steel springs, which removes the exposed spring beside the jumper. The Kahuna Classic uses conventional coil springs under padding. Neither is listed as meeting the Australian Trampoline Standard AS 4989:2015.
The HyperJump 3 publishes a 10-year frame warranty and 1-year mat and net warranties. Kahuna lists a general one-year Australian warranty but does not break out separate frame, mat and net terms.
Kahuna is cheaper at most sizes, goes to 16 ft where the HyperJump 3 stops at 12 ft, and is rated to 150 kg per jumper at its largest against 125 kg.
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Lifespan HyperJump 3 Springless
$719to $1,099
Elastic straps (springless)

Quick verdict
The Lifespan HyperJump 3 suits anyone who wants a springless mat and a 10-year frame warranty, for a modest step up in price. The Kahuna Classic is the better fit for the largest possible trampoline for the least money.
Full spec comparison
Both are round with enclosures.
Key differences
- Lifespan HyperJump 3 Springless uses elastic straps instead of springs; Kahuna Classic uses coil springs.
- Lifespan HyperJump 3 Springless publishes a frame warranty of up to 10 years; Kahuna Classic does not publish frame warranty terms.
- Kahuna Classic goes up to a 16 ft; Lifespan HyperJump 3 Springless tops out at a 13 ft.
- On comparable full-size models, Kahuna Classic starts lower: Classic (Round with Enclosure) at $549 against Lifespan HyperJump 3 Springless' HyperJump 3 Springless at $849.
Taken from the specifications in the table below.
| Specification | Lifespan KidsHyperJump 3 Springless | KahunaClassic (Round with Enclosure) |
|---|---|---|
| Sizes compared | 8 ft, 10 ft, 12 ft | 6 ft, 8 ft, 10 ft, 12 ft, 14 ft, 16 ft |
| Spring system | Elastic straps (springless) | Coil springs |
| Springless | Yes | No |
| Price (AUD) | $719to $1,099 | $395to $879 |
| Overall footprint | 269 cm to 397 cm | 180 cm to 487 cm |
| Jumping mat | 191 cm across to 313 cm across | 142 cm across to 433 cm across |
| Total height | 246-273 cm | 205-276 cm |
| Max single jumper | 100-125 kg | 80-150 kg |
| Spring count | — | 36-108 |
| Frame warranty | 10 years | - |
| Mat warranty | 1 year | - |
| Net warranty | 1 year | - |
Shared across these models
- Shape
- Round
- General parts warranty
- 1 year
- Australian standard
- Not confirmed
Prices sourced from manufacturer websites and may change. “From” prices are model-family starting prices, not size-specific prices.
Related reading
Specifications come from our Australian trampoline comparison data, sourced from manufacturer listings. Brands compared: Lifespan Kids and Kahuna.
