The 4-in-1 Construction Sets – On the Go allows children to build four different vehicles from one set, with interchangeable parts for creative customization. The included guide provides step-by-step instructions to assemble a helicopter, race car, airplane, and fire truck. The motorized function enables movement, encouraging hands-on exploration. The set contains durable plastic construction pieces, a power motor, and interlocking 3-D connectors. One AA battery is required (not included). Designed for ages 3 and up. This construction set supports early learning by promoting problem-solving, mechanical understanding, and creativity. It helps develop tactile and motor skills while encouraging independent or collaborative play. All components meet domestic and international toy safety standards through rigorous testing. The Learning Journey’s product line includes recognized educational toys tested for engagement and developmental benefits. The open-ended design fosters self-confidence as children design and operate their own moving vehicles.