Free Global Shipping Starts at $50
❥The built-in 3.3 million UF super capacitor can store electricity to drive Tanyang energy and dry battery. It can be operated day and night. It is more convenient for children to understand the conversion and storage of electric energy
❥Worry free installation is equipped with installation tutorial app 3D dynamic digital manual. Each step is easy to install
❥Material: ABS + electronic components
❥ Interesting assembly to stimulate interest. Improve practical ability, learn and understand the principles of cone mechanical transmission and connecting rod transmission
❥If you have any question about product and service, please feel free to contact us, we will do our best to help you in 24 hours.
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
