Construct four models of realistic farm equipment and four models of special attachments for them. Gain engineering design experience and learn about physics, simple machines, and other scientific concepts related to farming. Petrosains Shop is introducing this Gigo Farm Vehicle Collection - a set of 4 models, including a Farm Tractor with 4 different attachments, a Combine Harvester, a Draper Harvester, and a Forest Truck. Each design is based on real-life functionality, allowing for endless imaginative play. Multiple players can compete simultaneously with 16 radio frequencies and a 25-meter range. New multi-channel radio frequency remote improves range. The receiver unit controls two motors for FWD/BWD and L/R movement. This product is equipped with newly designed tires. This set requires 6 AA/LR06 batteries (not included). Dimensions: 420 x 80 x 330mm.It is recommended for ages 6 and above.