product manual:

Material: ABS plastic
Surface Technology: Highlight Stickers
Interior Design: Multiple circular orbit
Dimensions: 3.34 "X 3.34" X 3.34 "
Age: 7 years of age (inclusive of 7 years)

• This is a large-sized Arcuate Surface 7 Rubik's Cube, the side length of 3.34 inches.
• It combines fun and IQ development in one, the fastest recovery time world record of 2 minutes 39 seconds 41, I hope you can break the current world record!
• Its components can be demolished in the middle of the screw can adjust its tightness! You can use your imagination to create different games are played!
• Its interior design is a multi-circular orbit! Therefore, it is very smooth to play with!
• If you can break the world record, upload the full video and contact us, you will get a free Rubik's Cube!