Spark your child’s imagination with MinnARK Sports Construction-a-Fort! This set contains 54 rods and 31 connector blocks, allowing your child needs to build any type of fort they can imagine. The MinnARK Sports Construct-a-Fort promotes STEM learning and is perfect for developing creative skills at a young age. Build a car, house, or anything else! The build possibilities are endless, and this set can be combined with others to make even bigger forts!