Crawler
ElecFreaks Wonder Building Kit #19
Case 19 of the ElecFreaks Wonder Building Kit: a crawler that pulls itself forward on two rocking arms. One motor turns the gears on both arms through bevel gears, and two wheels carry its back. 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 | 4 |
| Technic Pin with Friction and Slots | Black | BrickLink 2780 | 14 |
| Technic Pin 3/4 | Light Bluish Gray | BrickLink 32002 | 2 |
| Technic Beam 3 x 3.8 x 7 Liftarm Bent 45 Double | Yellow | BrickLink 32009 | 2 |
| Technic Axle 2 Notched | Red | BrickLink 32062 | 1 |
| Technic Gear 12 Tooth Double Bevel | Black | BrickLink 32270 | 1 |
| Technic Beam 5 | Yellow | BrickLink 32316 | 2 |
| Technic Beam 3 x 5 Bent 90 | White | BrickLink 32526 | 2 |
| Technic Gear 8 Tooth | Black | BrickLink 3647 | 2 |
| Technic Gear 24 Tooth with Single Axle Hole | Light Bluish Gray | BrickLink 3648 | 4 |
| Technic Gear 40 Tooth | Light Bluish Gray | BrickLink 3649 | 2 |
| 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 Axle Pin | Tan | BrickLink 3749 | 6 |
| Technic Beam 9 | Yellow | BrickLink 40490 | 2 |
| Technic Bush 1/2 Smooth with Axle Hole Reduced | Yellow | BrickLink 4265c | 4 |
| Technic Cross Block 1 x 3 (Pin/Pin/Pin) with 4 Pins | Light Bluish Gray | BrickLink 48989 | 4 |
| Tyre 22/ 14 x 30 ZR | Black | BrickLink 55978 | 2 |
| Wheel Rim 20 x 30 with 6 Spokes and External Ribs | Light Bluish Gray | BrickLink 56145 | 2 |
| Technic Pin Joiner Round with Slot | Yellow | BrickLink 62462 | 2 |
| Technic Beam 7 x 5 with Open Center 5 x 3 | Light Bluish Gray | BrickLink 64179 | 2 |
| 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 |