Feature●Safe material toys: they are made from original ABS plastic, no harm to human and environment.They glow in the dark and bring you unusual feeling.●Fun Rainbow puzzle balls: they are color matching puzzle balls. Each has 12 holes surrounded by a color ring, each of 11 holes has a ball in it, and the ball is the same color with the color ring, the rest of the hole is empty, the color ring around the hole is white●Educational game toys: they help to improve children’s thinking ability, hand-brain coordination ability and color sensitivity. They also help to relieve stress and keep someone busy.●How to play:Scramble the colored balls, then try to match the ball to the hole of its color by using the empty hole, once you finish matching all the 11 balls, you are successful.●Great Gift Idea ? Suitable for kids and adults. Wonderful gift for kids children adults for any festival.Description They are really fun and easy to play, importantly easy to store and you can take them anywhere, at home, at school, even on plane, on train, office, workplace... So they are a perfect ball puzzle for on the go, great for traveling.