0-6 months Baby starts to focus on one particular object well before six months of age. They like shapes, colors and objects with slightly complicate shape. And they also enjoy music. Toys that attracts their attention and arouse audio and visual perception would nurture a Happy Baby. 6-12 Body growth slightly comes slower while mobility increase tremendously. In this period, training in eye-hand coordination and bodily balance is the keys in experience as an Early Explorer. 12-18 Moving swiftly, baby starts to use any external object for his first attempt in life. Needs for knowledge and expressing themselves are what will drive their action formore direct and organized response to words, music and shape. It is time for striking (hands) and tottering (feet). 18-24 Important moment for development in intelligence: baby learns to distinguish different sounds, colors and shapes. They like toys for exploring or problem solving such as sorting games. 24-36 Development on focusing and attention to detail. Time span for attention and memory also increases. They perceive, perform and imagine. Toys for distinguishing can help baby develop attention and intelligence. In return, they learn quickly. 4yrs Child learns to understand the basic of things and will initiate rational thinking. Creative toy that makes good use of their hands is the best choice. Individual play or competition in group game are both fruitful. It will encourage intelligence building on competition and parent-to-kid intimacy.