Features: -Made of high-quality ABS thick plastic, non-toxic, which is friendly to children's health.-Children can make their study more interesting through numerical cognition, simple arithmetic, word spelling and color studying, can also improve their memory, visual and spatial processing ability while playing games.-The toy adopts a large-size and three-dimensional design, easy to grip. -The shape of the unicorn is very popular among children and can easily attract children's attention. -Children can play alone, cooperate with their friends, and interact with parents.-There are 3 levels of difficulty. The first stage-imitate the examples to spell out the words, the second stage-calculate the answer according to the cards, the .