Game – Rubik’s Speed Cube Pro Pack – 3 x 3 – Ideal. The ultimate Rubik’s 3 x 3 Speed Cube Pro-Pack. Achieve world record solving speeds with this pro spec cube. Keep your cube competition ready by finding your perfect tension using the custom spring to make you go faster! The Rubik’s Speed Cube has a mechanism with faster movement, amazing corner cutting and zero pops. Based around a spherical enclosed core design ensures that there is minimum friction between internal moving parts. Performance lubricant allows for a smoother cube turning action. How quickly can you solve the cube? Recommended age: 8+ years.