Crackbot by Tomy.

1985, Japan.

Crackbot is a wild walking robot with swinging arms, swivelling waist, and searching eyes. He's out of control until you clap your hands to control him through his sound-sensor tail.

Specifications.

Codename: 5408.

Height: 17 centimeters.

Width: 14 centimeters.

Length: 10,7 centimeters - (16,2 centimeters with tail).

Weight: 331 grams - (540 grams with batteries).

Main microchip: None.

Autonomous: Yes (Mechanically).

Programmable: No.

Inputs: "Bump And Go" mechanism. Sound sensing microphone on tail.

Outputs: 1X motorized drive wheel. Turning head and torso. Wiggling arms. Nodding head with chirping sound.

Power source: 3X "C" 1,5V batteries.

Accessories: None.

Trivia.

The Crackbot robot shown on the packaging is actually an earlier prototype.

The chirping sound is simply made by rubbing a plastic flap against one of its internal gears.

Personal note.

This Crackbot was fully restored in 2021 with a custom CAD modelled replacement tire that was 3D-printed from flexible gray rubber filament.

The 3D-model of the replacement tire can be downloaded from the Procyon Robotics Thingiverse account.

The full restoration of Crackbot can be seen in my Robot Restoration YouTube channel.