Features:>>

  1.  You may tiling blocks watercolor pen, colorful and bright, easy to color;
  2.  Cap design assembly slot, can connect watercolor pen, crayons protection is not lost;
  3.  Use watercolor pen assembly slot will be assembled into different toys, children develop intelligence, to learn while playing in high school to play more knowledge
  4.  Tips: Do not throw away the used watercolor pen, you can use as building blocks, you save a lot of costs for buy toys.