A medieval castle arrow-loop was a narrow opening in the medieval castle walls and towers and was used to launch arrows at the invading enemy. An embrasure is built into this castle-slit, this helped crossbowmen angle their crossbows for more deadly shots from their bows. Arrow-loops were ...
Complete set: Building blocks and cross axles are a complete set of tools, which can be used to connect the components of cars, trucks, bicycles, etc. Educational toys: The building blocks can help children develop their motor skills and improve their hands-on ability. it is a great way ...