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DIY 3 In 1 STEM Robot Arm Toys Hydraulic Robot Arm Steam Building Toy for Kids

Regular price $44.00 USD
Regular price Sale price $44.00 USD
Sale Sold out

3 IN 1  DIY Mechanical Arm Clamp Claw Hydraulic Kit, STEM Building Toy


Product net weight: 1292 g

Product size: 46*26*30 cm

Color box: 40.5*10.5*29.5 cm


The 3-in-1 function can freely change the working head: grasping forceps, grabbing bucket, suction cup.

Kit Lever Allows Builders To Move, Grip, And Even A Suction Cup Different Objects!

Kids Can Easily Switch Between Grippers Or Suction Cups, Depending On The Object They Are Moving.

Powered By Water, The ArmS Are Controlled With Hydraulic Plungers.


Make Hydro-mechanics a fun learning experience for the young engineering enthusiasts. This kit does not require batteries nor does it use any motors instead it is powered by water.

Execute all commands equally with a braking system that is integrated in the lever controllers.

Well guided pictorial instruction manual is included to assemble the 220 part kit.

Shipping & Returns

After confirming the order, we will send the package out within 48 hours.
Usually, your order will be delivered within 12 working days.
The parcel is delivered by 4PX logistics company, and you can track your order through this link>>>


We accept payment by Paypal.

If you use a credit card, you can also pay through paypal.

Operation process >>>How to Order/Pay?

Care Instructions

They may be compressed during transportation, but this will not affect their quality.

After receiving them, please spray them with a steamer until they regain a nice shape.