Cheapest I can find for this 3ds game right now. The usual £10 minimum order for non-prime amazon customers.
Alternatively £4.85 at Shopto
The first ever dual touch action sports game, DualPenSports provides a fresh gameplay experience that allows players to feel more like they’re playing real sports with the use of up to two styluses. Fun, exciting, and accessible to everyone, DualPenSports’ two hand coordination challenges players in new ways, providing an instant edge in the handheld and casual gaming markets!
With 7 unique sports mini-games and a host of other challenges, DualPenSports delivers addicting moments of glory every athlete wants to play again and again! Players create and customize their own Personal Characters and then face off against the computer or friends in various sports mini-games!