Build, Learn & Play with Hydraulic Power
Unleash your child’s creativity and curiosity with the 3-in-1 Hydraulic Robot Arm STEM Kit. This exciting hands-on building set lets kids assemble their own robotic manipulator arm, powered entirely by water—no batteries or motors needed. With three interchangeable working heads including a grasper, grabber, and suction cup, this clever kit opens the door to hours of educational play while introducing real engineering concepts in a fun way.
Why Kids Will Love It
This robot arm is more than just a toy—it’s an immersive learning experience. By assembling and experimenting with hydraulic power, children can explore how science and engineering principles work in real life. Measuring an impressive 18 x 10 x 12 inches when built, it’s sturdy, interactive, and designed to spark fascination in kids who love building and problem-solving.
Product Features
- 3-in-1 Function: Switch easily between grasper, grabber, and suction cup for endless play possibilities.
- Hydraulic Power: Operates using water pressure—no electricity required.
- STEM Learning: Encourages problem-solving, logical thinking, and hands-on skills.
- Safe Materials: Made from high-quality, BPA-free ABS plastic, durable and child-safe.
- Detailed Instructions: Easy-to-follow steps guide kids through the assembly process.
Benefits for Your Child
- Develops STEM skills in science, technology, engineering, and math.
- Boosts problem-solving and critical thinking abilities.
- Enhances fine motor skills and hand-eye coordination.
- Encourages curiosity and interest in engineering and robotics.
- Promotes independent play as well as family bonding time during assembly.
The Perfect Gift for Young Innovators
Ideal for birthdays, holidays, or any special occasion, this DIY Hydraulic Robot Arm Kit is a unique gift that inspires learning through play. Best suited for curious kids who love building and experimenting, it delivers both fun and education in one package. Watch as their eyes light up when they see their very own robot arm come to life!
Get ready to build, explore, and play—order your DIY Hydraulic Robot Arm STEM Kit today and spark a lifelong love for science and engineering!
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
| United States | 10-30 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Central & South America | 15-30 Business days |
| Asia | 10-20 Business days |
| Africa | 15-45 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
- If you received the wrong item you can request a refund or a reshipment.
- If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
We do not issue the refund if:
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of Marvelion (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of https://allkidstoys.com
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
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