The Keystone Arch is based on a simple engineering principle that has been used for thousands of years. The Romans used the voussoir arch design to build bridges and aqueducts, many of which are still standing today.

Building a soft play Keystone Arch is a fun, hands-on challenge that encourages children to work together. Each soft play block must be carefully placed in the correct position, with the final piece, the Keystone, fitted at the top. This final block locks all the other pieces into place, creating a self-supporting arch.

This soft play exhibit is ideal for children's museums, national parks, and visitor attractions. It promotes teamwork, problem-solving, and spatial awareness through interactive play. At SafeSpace Concepts, we’ve created a fun and educational experience by reimagining this classic engineering concept.

‍