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Cool Grannies / Motive Shopping Cart

Cool Grannies
Cool Grannies

“Cool Grannies” is a system including a shopping cart and an mobile app.
The shopping cart can be attached to the bike and the wheel generates electricity when riding, the electricity can be saved in the battery inside. The cart is also an electric motor device, which can be turned on and generate slight motion to help push the bike when needed. Therefore it can create a better riding experience for the elderly.
The app is installed in the smart device of user 1. Battery Information: Battery Information of both Bluetooth device on bike and electricity of cart. 2. Bike Finding: user activates the function, it shows the route to the bike.



Taipei, Taiwan

Liu Ting-Yu,

Lee Yu Chi,

Kuang-Hsu Cheng ,