Spider walker
ElecFreaks Wonder Building Kit #21
Case 21 of the ElecFreaks Wonder Building Kit: a spider that walks on eight legs. One motor turns four gears whose cranks lift and swing a pair of yellow legs on each side, while the four white legs stand still. 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 with Perpendicular Pin Hole Type 1 | Black | BrickLink 15100 | 2 |
| Technic Pin with Friction and Slots | Black | BrickLink 2780 | 37 |
| Technic Axle 2 Notched | Red | BrickLink 32062 | 4 |
| Technic Cross Block 1 x 3 (Axle/Pin/Axle) | Black | BrickLink 32184 | 2 |
| Technic Gear 20 Tooth Double Bevel | Black | BrickLink 32269 | 1 |
| Technic Beam 15 | White | BrickLink 32278 | 2 |
| Technic Beam 5 | Yellow | BrickLink 32316 | 1 |
| Technic Beam 3 | White | BrickLink 32523 | 4 |
| Technic Beam 7 | White | BrickLink 32524 | 2 |
| Technic Beam 11 | Yellow | BrickLink 32525 | 2 |
| Technic Beam 3 x 5 Bent 90 | White | BrickLink 32526 | 4 |
| Technic Beam 3 x 5 Bent 90 | Yellow | BrickLink 32526 | 4 |
| Technic Gear 8 Tooth | Light Bluish Gray | BrickLink 3647 | 2 |
| Technic Gear 24 Tooth with Single Axle Hole | Light Bluish Gray | BrickLink 3648 | 4 |
| Technic Pin | Light Bluish Gray | BrickLink 3673 | 4 |
| Technic Axle Pin with Friction | Tan | BrickLink 43093 | 4 |
| Technic Axle 3 | Light Bluish Gray | BrickLink 4519 | 1 |
| Technic Axle 9 | Light Bluish Gray | BrickLink 60485 | 1 |
| Technic Cross Block 1 x 2 (Axle/Pin) | Light Bluish Gray | BrickLink 6536 | 4 |
| Technic Gear 12 Tooth Bevel | Tan | BrickLink 6589 | 1 |
| 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 |