[. . . ] BATTERY INSTALLATION 1) Switch Off the game 2) Use a screwdriver to open the battery compartment door located under the head of the snake. [. . . ] If your unit malfunctions, stop the game by selecting the OFF position, then switch it On again to restart. If this does not help, take the batteries out of the compartment and then replace them, this procedure will RESET your product. You can select two activity modes : - Mode « Animals » - Mode « Music notes » Mode « Animals » : When baby is walking on the 10 keys on the snake's body, he can listen to the variety of animals noises. Mode « Music notes » : When Baby is walking on the 10 keys on the snake's body, he can listen to the different music notes. Note: Please retain this instruction manual for further reference, as it contains important information. If you wish to use our warranty or our after sales services, please contact your distributor with your proof of purchase. [. . . ] In our constant concern for improvement, the colors and detail of the product shown on the packaging may be modified. [. . . ]