Exercises for your memory and hands-on skills are a perfect educational toy that will keep anyone busy for long periods of time. The standard structure comes pre-lubricated by the manufacturer, but the tightness is adjustable.
· Give your child more playtime and reduce their addiction to mobile gaming and excessive screen time. This puzzle cube improves your concentration power, your hand-eye coordination, your problem-solving skills, and your creativity and imagination. It's a brain exercise for all ages to help increase the intelligence of kids, release the work pressure of adults, and help prevent a decline in memory in the elderly.