3D Crystal Puzzle Pen Container, Crystal Puzzle Brainteasers for Puzzlers Ages 16 and Up, 51PCS Color:pen-container-yellow • Natural Pearl size: 7mm

• Natural Pearl size: 7mm approx

• Stud Material: 925 Sterling Silver (S925)

With high-quality design and attention to detail

Polystyrene material

3D Crystal Puzzle Pen Container, Crystal Puzzle Brainteasers for Puzzlers Ages 16 and Up, 51PCS Color:pen-container-yellow • Natural Pearl size: 7mmPerfect Puzzle Construction: This 3D Crystal Puzzle Pen Container is a stylish crystal puzzle consisting of 51 uniquely shaped interlocking parts. Each puzzle features precision molded, clear hard plastic pieces for flawless puzzle construction Challenging to Complete: This 3D puzzle has a difficulty level of 2 and is suitable for puzzlers 16 years old and up Great Gift: The elegant compact design of Original 3D Crystal Puzzles makes for a great gift