Multiple Compatibility MugThis mug for kids and cute people is compatible with most building blocks. It's the best Birthday Gift idea to kids. PERFECT Christmas Gifts: Each mug comes with 1 packs of bricks at random that can be pieced together. Happy puzzle game, the children play their unique creativity with this build mug and excitation the children's intelligence, huge fanatic perfect Christmas Birthday gift! It provides joy,connection, learning experience between both kids and parents. you can apply your imagination to creative brick. Interesting combination: Fun brick mug can help relieve stress, depression and anxiety for adults.It can enhance beverage drinking experiences and an perfect gift for all building block lovers. It is also a good way to spend boring conference calls and enjoy your office hours. This great product may effect your productivity whilst quickly becoming the talking point of any office! BPA Free Guarantee: We work hard to create the safest and best BPA-free grade plastic coffee mug on the market. Enjoy your coffee, tea, juice, and milk. Build something on your mug while drinking something. So fun! 100% Satisfaction Guarantee:We confidence in Brick Mug, your kids or your friend will be delighted with creative mug set. What are you waiting for? ORDER NOW!