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.

❤Material: Acrylic material. Laser cutting, no burrs.

❤Design: Use Hall sensor, intelligent calculation. Layered, simple, elegant, and can be placed on the table.

❤Function: The principle is public (transparent), it is easy to introduce the principle and stimulate the original intention of learning. The magnetic field is stronger and the speed is higher.

❤Scope of application:It has a wide range of applications in children's science projects, physics/mechanical learning, teacher demonstration props, birthday gifts for friends, family and children.

❤service:If you have any questions about our products, please contact us in time, we will reply you as soon as possible within 24 hours. happy shopping!