Build a fort, rocket, boat, tower, tunnel or bridge! Design your own scientific model, or create a unique contraption. The straws fit snuggly on the connectors, but are flexible so you can build arches and tubes. 400 pieces.

• Design your own scientific model, or create a unique contraption
• Build a fort, rocket, boat, tower, tunnel or bridge
• Includes 400 pieces
• Creative play; Ages 4-8