[. . . ] Using innovative technology, these t s react to baby's interactions, making each play perience fun and unique as th learn age-appropriate concepts like first words, numbers, shapes, colors and music. More importantly, VTech®'s Infant Learning® t s develop baby's mental and physical abilities by inspiring, engaging and teaching. [. . . ] The supply terminals are not to be short-circuited. WE DO NOT RECOMMEND THE USE OF RECHARGEABLE BATTERIES. PRODUCT FEATURES 1. MODE SELECTOR To turn the unit ON, slide the MODE SELECTOR to the LEARNING MODE ( ) or the MUSIC MODE ( ) position. To turn the unit OFF, slide the MODE SELECTOR to the OFF ( ) position. Product Features 2. PULL CORD To convert the unit from a push toy to a pull toy, remove the pull cord from the battery compartment and thread it through the eyelet on the bottom of the unit. For your child's safety, we suggest you store the pull cord in the compartment until your child is walking. 3. AUTOMATIC SHUT-OFF To preserve battery life, the VTech® Musical Fun Choo Choo TM will automatically power-down after approximately 12 seconds without input. The unit can be turned on again by pressing any button or putting the animal characters on the engine. Product Features ACTIVITIES 1. place the ANIMAL CHARACTERS on the train's engine to hear phrases, short tunes, fun sounds and melodies. in learning Mode, putting the animal characters on the engine will tell you which instrument the animal is playing. in Music Mode, putting the animal characters on the engine will teach instruments and play songs using that instrument. when a melody is started by pushing a shape button or pulling the train, putting the animal characters on the engine will play that melody in a specific style of music, or you'll hear the melody sung by the animal. press the SHAPE BUTTONS to hear fun sounds, melodies, short tunes and phrases. in learning Mode, pressing the buttons will teach instruments and shapes. in Music Mode, pressing the buttons will play melodies and fun sounds and also teach instruments. [. . . ] or 1-877-3528697 in canada. installed and used in accordance with the instructions, may cause harmful interference to radio communications. however, there is no guarantee that interference will not occur in a particular installation. [. . . ]