Train like a warrior! Our Ninjaline Ninja Balls are one of the top training devices for building forearms and grip strength on the Ninjaline (sold separately) hanging backyard obstacle course.
Switch up your course with the hanging strap which allows for full shoulder rotation.
Plus, the smaller size of the The Ninja Balls are perfect for more advanced users to challenge themselves! Perfect for use on our Ninjaline™ (sold separately).
The Ninjaline (sold separately) is a versatile outdoor hanging obstacle course kit which includes obstacles that vary in skill level. Easy to install and take down, you can take your training with you anywhere.
Build core and overall strength and increase self confidence with the The Ninjaline and accompanying Ninja Balls.
Convenient and portable, take to the park or on a camping trip with including storage bag.
Ages 5+, Max weight 113kgs; Adult supervision required
Check out our instruction and promo videos on our YouTube Channel!
The Ninja Balls come in packs of 2 and are complete with attachments to connect to your Ninjaline.
Need the Ninjaline too? Get it here
More details below.