About This

• 8 Sets primary metal brain teasers,very good for brain teasers beginner
• The best office-desk-toys to stimulating inspiration,relieve stress. good for parents-children games,party games killing time
• This brain puzzles are interested for people from age 6 to 80,it's a nice gift for your kids friend family and colleagues
• The Brain Teasers are made of high quality steel with electroplate surface,durable and smooth edges avoid hand injuries
• A paper instruction included with very detailed ways,but please don't reference to it at the very beginning,explore it,enjoy it