Hydraulic Robotic Arm

Build a working, moving hydraulic arm - powered by water! Made from untreated wood.
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$39.95 Incl. GST
or 4 interest-free payments of $9.99
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Build a working, moving hydraulic arm - powered by water!

Robotic articulated arms are widely used in factories all over the world. This is your opportunity to see how levers work and are applied in a cool machine.

Pathfinders robotic arm uses a first and third class lever, and has a fun linkage for the grabber. It can grip, lift items horizontally, and can turn very close to 90 degrees! A great first project to gain experience using levers and hydraulics.

Precisely cut and ready to assemble with timber slot construction. Easy to make in about an hour or two (no need to rush!) This quality 66-piece kit includes die-cut plywood parts, tubing, three syringes, glue and a 12-page manual.Designed to be used alone (with a nice syringe holder), or in a group - each person using one syringe. It makes a wonderful team building activity. Give yourself some challenges once the build is complete.

An engaging way to learn about robotics, levers and simple machines, fluid dynamics, engineering, invention, and design and technology - or just to move things around the house (small things, mind you - no dogs or cats, thanks!)

Age: 8 +

What you get

Hydraulic Robotic Arm by Pathfinders. Pieces made from natural untreated wood from sustainable forests. The arm stretches 49 cm out, swings 18 cm around, and stands 37 cm high. No batteries required!

How does it work?

This model uses a battery of independent hydraulic circuits to provide absolute control over the arm pincers - grip, lift, twist, lower and release.

Lifting materials horizontally is important in some places, where an item has to stay level, so with a parallel linkage the gripper stays horizontal.

Usually robotic arms grab and move things from one place to another, so this moves about 90 degrees, (along with the up and down movement).

Integrate the arm into other construction sets while learning the basics of hydraulics and robotics.


  • Robotics
  • Levers and simple machines
  • Fluid dynamics
  • Engineering
  • Invention
  • Design and technology

WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 21
Width (cm) 7
Height (cm) 27
Age Group 7-8 Years, 9-10 Years, 11-12 Years, 12+ Years
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What are the shipping costs?

FREE Shipping is available on all orders over $120 to anywhere in Australia!

Orders under the value of $120 incur a low flat rate shipping cost of only $9.95 to anywhere in Australia.

Express, Registered and International delivery options are also available. The cost for these premium shipping services will be automatically calculated during the checkout process.  Please conact us if you have any queries with these services.

In some cases we may need to apply a shipping surcharge to large or fragile items, especially to remote or non-urban locations. You will be contacted by us for confirmation if this additional charge is applicable.

How long will it take for my order to arrive?.

You should receive your order within 2 to 4 working days, although to some regional and out back areas it can take up to 2 working days longer. Orders going to WA also take a little longer, up to 6 working days.

All standard orders are shipped using Australia Post's eParcel service, so you'll be kept fully informed of the progress of your order during its journey to you. Aside from receiving regular email updates, you can enter your tracking number into Australia Post's website at any time for information about the delivery status of your order.

International delivery will take from between 1 to 4 weeks depending on the destination and potential customs clearance delays.

When will my order be shipped?

We ship every Victorian business day. Orders received and paid for by 12pm AEST time will generally be shipped the same day.

If you require your order urgently, we have a next day delivery express service available.

What locations do you ship to?

We ship to both Australian and International customers.

What shipping options are available?

The majority of orders are shipped using Australia Post's trackable eParcel service, with larger orders being sent by national courier.

We also have options for express or registered post. A number of international delivery options are also available. These can be selected during checkout.

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