A free Mini Maker Faire is happening at all Long Island Barnes & Noble stores at 11 a.m., 1 p.m., 3 p.m. and 5 p.m. on Saturday and Sunday.

Experience the latest in virtual reality, augmented reality, 3-D printing, pen-invent technology, robotics, coding and programming with demonstrations from Bloxels, sphero SPRK, Air Hogs Connect, VEX Robotics, XYZprinting and more. Sessions will last one hour.

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From noon to 5 p.m. there will be age-appropriate tables set up with material for everyone to experiment with. The tables will be geared to ages 3 and older, 8 and older, and 13 and older.

Long Island stores include East Northport, Manhasset, Lake Success, Carle Place, Smith Haven Mall, Massapequa and Bay Shore.

For more information, visit bn.com