Spring design-well-designed, adjustable tightness, smooth curve formation and easy rotation, flexible and stable. BRAINTEASER-It helps to improve spatial thinking and is a good way to train the brain. It is also an educational toy suitable for children and adolescents.The perfect gift-a gift for birthday, Christmas, Halloween and other holidays carefully selected for everyone (friends, children, adults, beginners and professionals). Recyclable materials-made of durable ABS material and frosted stickers, harmless and environmentally friendly.feature:-New style, more interesting;-Sturdy puzzle cube with environmentally friendly PVC stickers;-Spring design, good cutting angle, fast movement;-Help keep the brain young;-The perfect gift for people of all ages;Portable, carry around, relax anytime, anywhere Size: 8x9x13cm The package includes:1 x pyramid Warm reminder:1. Not suitable for children under 3 years old. Minors use Rubik's Cube and require adult supervision.2 Play. Don't put any part of it in your mouth, otherwise it will suffocate.3. Do not forcibly disassemble the Rubik's Cube.