The world we live in is so colorful. There are fiery-red flowers, green leaves, colorful clothes, beautiful fireworks, dazzling neon and so on. Color is not only one kind of feature of the substance, it is also one kind of common phenomenon in chemical reaction. Many chemical reactions occur with obvious color changing , just like the magic.  

This is such a wonderful world,how can you miss it?ALPHA science toy can give the most wonderful scientific magical to children