Minimum age: Over 4-12 years old,Children need to be accompanied by an adult.Clay Beads 6mm in dia. and 1mm thick.Alphabet beads measure 6mm. and 4mm thick.Gold accessories measure approximately 5-6mm.We come with a large variety of accessories, enough to make multiple bracelets as well as necklaces.You can easy make a charm vivid bracelet/ necklace/ earring easily. convenient to use carry.Imagination is more inportant than skills here for bracelet jewelry making