Nifeliz Turbofan Engine Building Set, Engineering Challenge Model for Adult Collectors, Physical Science Project and Display Piece (2,216 PCS, NF10317)

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  • A hands-on challenge, leading to an engine you can see and operate every gear and motion built by you.
  • Rotate the crank to drive linked parts in different directions and speeds, achieving a rare dual-direction, single-axis effect.
  • A build that engages both mind and hands, making this engine a memorable gift for any mechanical enthusiast.

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