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Hydro Arm

A robot arm moved by water.

A big building kit. The finished arm lifts, turns and grabs, driven only by water pushed through small tubes. No motor and no battery.

Price: ৳3,290

Quantity: 1
  • Three working heads
  • Water power
  • Control levers
  • Free 2-day shipping
  • 2-year warranty
  • 30-day returns

Inside the Hydro Arm

A robot arm moved by water.

  1. Three working heads

    A claw, a bucket grab and a suction cup.

  2. Water power

    Push a plunger and water moves the arm, as in a real digger.

  3. Control levers

    One lever for each movement: turn, lift, reach and grab.

The details

Everything about the Hydro Arm.

What it does

A big building kit. The finished arm lifts, turns and grabs, driven only by water pushed through small tubes. No motor and no battery.

  • Three working heads

    A claw, a bucket grab and a suction cup.

  • Water power

    Push a plunger and water moves the arm, as in a real digger.

  • Control levers

    One lever for each movement: turn, lift, reach and grab.

Specifications

Age
10 years and up
Parts
About 220
Power
Water pressure. No batteries
Material
ABS plastic
Category
Toys
Model
P-50

Made for

  • Patient builders from 10 years
  • A parent-and-child weekend project
  • Children who love diggers and cranes

In the box

  • About 220 building parts
  • Water cylinders and tubes
  • Three working heads
  • Build guide

Before you buy

We say it plainly, so you get the right thing.

  • The build takes several hours.
  • It uses water. Build and play on a surface that can get wet.
  • Small parts. Not for children under 3.

Delivery and care

Free 2-day shipping
On every order, with tracking from our door to yours.
2-year warranty
If it fails, we repair or replace it. No forms to fight.
30-day returns
Try it at home. Send it back free if it is not right.
Real human support
People who use the products answer within a few hours.

Reviews

People keep them.

4.8

1,284 reviews
5 stars
82%
4 stars
12%
3 stars
4%
2 stars
1%
1 star
1%

Sample numbers for layout only.

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Hydro Arm

Price: ৳3,290