First time visitor? Not sure what it's all about? Please refer to
F.A.Q. section ยป
I'm a prolific LEGO Technic builder, and the goal of this website is to document my LEGO constructions, ideas and various achievements. I'm trying to share my work is such a way that it could inspire, or be developed further by other builders.
In addition to my website, you may also want to follow my
Facebook page where building process of current projects is shown and where future ideas are discussed.

Compact gearbox design, with two linear shifters, fixed input and output shafts, and large span of gear ratios provided.
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Model of a Scania R500 truck modified as a racing version. Features full suspension, powerful propulsion system with two independently powered RC motors, lights, custom stickers, cabin with full interior and opened doors.
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Simple table soccer game for two players, computerized and controlled with the WeDo kit.
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Simple arm with 4 motors, controllable and programmable with the LEGO Education WeDo software.
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Large model of a Caterpillar front shovel excavator designed for a public display. Features a drivetrain with a subtractor, superstructure rotation mechanism, V12 piston engine, arm with 3 joints controlled remotely by motorized linear actuators, pneumatically opened bucket, remotely elevated operator’s cabin, lights and custom stickers.
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My third 2010 Truck Trial vehicle. Uses modified Jeep Wrangler’s chassis, features 4×4 drive, full suspension, opened doors, bonnet and trunk, headlights and rear lights with LEDs.
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Sariel.pl has a Downloads section now. The list of files available for downloads is not a long one at the moment, but starts with a complete, high quality step-by-step instruction for my acclaimed Jeep Wrangler Rubicon model. You can get it for free and try to build one on your own.
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The Polish edition of the Focus popular science magazine has featured my Robotic Hand in their May issue. Scan included.
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My second 2010 Truck Trial vehicle, and the first vehicle designed for this competition other than a truck. Features 4×4 drive, pendular suspension, lights, modular body design and an openable bonnet. Update: a complete set of instructions added.
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The tool that has been available at my website for a long time – the gear ratio calculator – has been released in an entirely new version. It also includes an extra handy feature called the Gear Coupler.
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