Available only from Hammacher Schlemmer, this is the playable miniature grand piano that children construct using plastic interlocking bricks.

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Available only from Hammacher Schlemmer, this is the playable miniature grand piano that children construct using plastic interlocking bricks. Once assembled, the 1:5 scale instrument has 29 keys that can be struck manually like a real piano or played using a smartphone app that moves the keys up and down from across the room like a player piano. It comes with 2,621 pieces that snap into place to form the piano body with working leg wheels, an adjustable seat, and an opening/closing lid. A rechargeable battery powers its 7.4-volt electric motor. The battery charges via USB; a full charge provides up to 60 minutes of music. Ages 8 and up. 11 3/4" W x 10 3/4" D x 9 1/4" H.