A challenging solar powered robot with gearbox and battery to build and wire together. Once correctly assembled the Mars Explorer crawls along a flat surface.

Contains push-out pre-cut balsa wood pieces with over 100 parts to put together. Illustrated instructions are included. Requires screwdriver, long nose pliers, sharp knife, sandpaper and AA battery.

• Learn how to build a gearbox and how automatic transmissions and motors work.
• Make a simple wiring circuit with solar panel, battery, motor and switch.
• Use a slide switch to select battery or sun powered operation.
• Not suitable for under 3s due to small parts.
• Adult help needed.

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