Robot dog
ElecFreaks Wonder Building Kit #32
Case 32 of the ElecFreaks Wonder Building Kit: a four-legged robot dog that walks. One motor turns four big gears whose crank pins move its legs; its tail is made of two worm gears. Turn it in 3D, build it step by step or open it in BrickLink Studio.
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Drag to turn the model, scroll to zoom.
Downloads
Building instructions (PDF)
Model for BrickLink Studio (zip)
BrickLink wanted list (XML)
Activity
Building guide
Custom parts for Studio
The Studio zip holds the model, the custom parts it needs and how to install them.
Building steps
The parts added in a step have a red outline.
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Parts
| Part | Colour | Where to get it | Qty |
|---|---|---|---|
| Technic Pin with Friction and Slots | Black | BrickLink 2780 | 10 |
| Technic Pin 3/4 | Light Bluish Gray | BrickLink 32002 | 2 |
| Technic Axle 5 | Light Bluish Gray | BrickLink 32073 | 2 |
| Technic Gear 20 Tooth Double Bevel | Black | BrickLink 32269 | 2 |
| Technic Gear 12 Tooth Double Bevel | Black | BrickLink 32270 | 1 |
| Technic Beam 15 | White | BrickLink 32278 | 2 |
| Technic Beam 5 | White | BrickLink 32316 | 4 |
| Technic Beam 3 | White | BrickLink 32523 | 4 |
| Technic Beam 3 | Yellow | BrickLink 32523 | 4 |
| Technic Beam 7 | Yellow | BrickLink 32524 | 2 |
| Technic Beam 3 x 5 Bent 90 | White | BrickLink 32526 | 4 |
| Technic Gear 40 Tooth | Light Bluish Gray | BrickLink 3649 | 4 |
| Technic Pin | Light Bluish Gray | BrickLink 3673 | 4 |
| Technic Axle 12 | Black | BrickLink 3708 | 2 |
| Technic Bush with Two Flanges | Black | BrickLink 3713 | 2 |
| Technic Bush 1/2 Smooth with Axle Hole Reduced | Yellow | BrickLink 4265c | 6 |
| Technic Axle 7 | Light Bluish Gray | BrickLink 44294 | 1 |
| Technic Worm Gear 2L | Light Bluish Gray | BrickLink 4716 | 2 |
| Technic Cross Block 1 x 3 (Pin/Pin/Pin) with 4 Pins | Light Bluish Gray | BrickLink 48989 | 4 |
| Technic Beam 7 x 5 with Open Center 5 x 3 | Light Bluish Gray | BrickLink 64179 | 6 |
| Technic Pin Long with Friction and Slot | Blue | BrickLink 6558 | 16 |
| Technic Gear 12 Tooth Bevel | Tan | BrickLink 6589 | 2 |
| ElecFreaks Geekservo 2 kg motor (red) electronics | ElecFreaks | 1 | |
| ElecFreaks Wukong board on its 7 x 5 LEGO base electronics | ElecFreaks | 1 | |
| BBC micro:bit V2 electronics | Micro:bit Educational Foundation | 1 |