Meccano Builders Pull Back BuggyOne vehicle three builds! Give young inventors a fun and exciting model kit to build with: the Meccano Junior Pull Back Buggy! This construction kit is perfect for first time builders. With chunky, plastic Meccano Jr. parts and tools, its easier than ever before to assemble and reassemble makes and models. Young inventors can snap nuts onto parts to make them lock, and use the bolts to hold pieces together and stay in place as they build. As your