OFNA Nitro OB4 - Sealed Bearing Kit E 4-Tec presenting an ultimate challenge for

presenting an ultimate challenge for experienced puzzlers

Inlay pieces into the body frame for solid looks

Let’s get together

Shaped like a classic die

OFNA Nitro OB4 - Sealed Bearing Kit E 4-Tec presenting an ultimate challenge forTeam JB Hobbies is thrilled to unveil the Monkey Series bearing kits! Why the "Monkey Series"? Because we believe in infusing a bit of fun and whimsy into the world of precision engineering. Our playful mascot is not just about fun, but also symbolizes our meticulous dedication to quality and high performance. Each bearing in this series boasts of top notch craftsmanship: they're rubber sealed, enriched with premium industrial grease, and handpicked