The underwater robot (UR) is an embodiment of interdisciplinary technologies, integrating underwater communication, machinery, marine science, computer science, and robotics. Although URs enable a highly engaging and exploratory construction that can foster children's engineering education and ocean literacy, little work has explored UR design and…

While the ready-made Lego[TM] Robotics kits are popular in schools and are used by students at both primary and secondary year levels, using the Picaxe microcontroller (chip) to create simple electronic devices, including robotic devices is less popular. The latter imposes an additional challenge as a result of the need to construct the universal…