The Modular™ Fortress Engineer Construction Kit takes a unique approach, allowing true three-dimensional architecture to be constructed. The game develops abstract thinking, three dimensional perception, and creativity. Compatible with other "Modular™ Toy Construction kits." Watch and participate with your children while they’re thinking, planning, and building in all three dimensions. Includes:                                       
  - 139 construction pieces                 
  - 3 character                                   
  - Decorative stickers and accessories
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