Taiwan T-Space Promotion
Buy any 2 or more T-Space products and get 10% off.
COUPON CODE (Click to select)
TSPACE
0-12 months
Birthday gift
Programmable robots, Strategy board games, and DIY
ProsKit GE-639 Mercury shooter water gun robotic arm
Regular price
$889.00
Sale price
$709.00
Discount20%
Details →
Skills Developed:
Large muscle exercises
and Mathematical Logic
- Five transformation modes (claw, shield, boomerang, etc.)
- Utilizing Pascal's principle, the maximum range can reach 6 meters.
- The hands-on assembly process trains logical thinking and creativity.
Sold 5 in
8 hours
15 people viewing
ProsKit GE-639 Mercury shooter water gun robotic arm
Sale price
$709.00
Regular price
$889.00
- detailed introduction
- Latest Offers
- gift wrapping
- delivery service
- birthday promotion
- 按年齡找玩具
- After-sale terms
ProsKit GE-639 Mercury Shooter: 5-in-1 Transforming Water Gun Robotic Arm - Combining STEM Science with Ultimate Fun
Ready for an unprecedented water battle? The ProsKit GE-639 Mega Cyborgs Water Blaster is more than just a water gun; it's a transforming robotic arm that blends fluid dynamics and mechanical engineering. Designed for kids and adults who love hands-on activities and exploring science, this product will make you stand out in summer battles and become the center of attention!
Pro'sKit offers a buy-two-get-one-free deal: get 10% off the second item. This offer applies to lower-priced toys.
Discount code: proskit10off
🔧 Key Product Features: Five transformation modes, allowing you to switch between battle forms at any time.
The most amazing feature of the Mercury Sagittarius is its five-in-one transformation capability . Without requiring additional parts, it can freely switch between five modes through precise mechanical adjustments to meet different game and mission requirements:
| Transformation Mode | Functional description and power |
|---|---|
| Claw mode | With powerful mechanical gripping force, it can grasp items weighing up to approximately 600g. |
| Shield Mode | Deploy defensive armor to withstand enemy attacks in naval warfare. |
| Boomerang mode | Its cool and stylish design showcases a unique mechanical aesthetic. |
| Sword Mode | It has high load-bearing capacity, a stable structure, and can hang objects weighing up to 1kg. |
| Crossbow | Simulates long-range shooting postures to increase the visual impact during combat. |
Physical Science in Practice: Pascal's Principle and Fluid Dynamics
This toy is an excellent learning resource for STEM (Science, Technology, Engineering, and Mathematics) subjects. It requires no batteries and is powered entirely by pure physics.
- Pascal's Principle states that pressure is transmitted through a fluid in a closed system. The formula is P (pressure) = F (force) / A (area) . This is exactly the same principle as that of a jack or a car's hydraulic braking system.
- Ultra-long range: Thanks to its sophisticated hydrodynamic design, the Mercury Sagittarius has a maximum range of 6 meters , allowing you to accurately hit your target from a distance.
- Eco-friendly design: It adopts a universal plastic bottle (PET bottle) interface, so most beverage bottles on the market can be used as water tanks, which is both environmentally friendly and convenient for refilling "ammunition" at any time.
🔧 Assembly difficulty: Extremely high (Suitable for ages 10 and up or with parental assistance; challenges logic and patience)
Product specifications and packaging contents
The Mercury Sagittarius is developed and manufactured in Taiwan, guaranteeing its quality and featuring several innovative patented designs. Assembly takes approximately 3 hours, making it an excellent activity for parent-child reading and maker development.
| project | Specifications/Quantity |
|---|---|
| Applicable age | 10 years old or above |
| Place of origin | Made in Taiwan |
| Power source | Hydrodynamics (battery-free) |
| Expected assembly time | Approximately 3 hours |
| Maximum range | Approximately 6 meters |
| Main materials | High-quality environmentally friendly ABS plastic |
| Packaging contents | Assembly parts: sheet metal, water pipes, sealing rings, and instruction manual (as shown on the packaging). |
🛠️ Assembly tool list
To ensure a smooth assembly process, it is recommended to prepare the following tools in advance:
| Required tools | use |
|---|---|
| Model cutters | Repairing parts sprue |
| Phillips head screwdriver | Locking mechanical structure |
| needle-nose pliers | Assist in the installation of small parts |
| Scissors & Ruler | Cut the water pipe to the required length |
| Cotton swabs & markers | Marking and Lubrication |
| toilet paper | Remove excess water or lubricating oil. |
📺 Official introductory video
Customer Notice and Disclaimer
- Product composition and specifications: All product composition, dimensions, weight and specifications are subject to the actual product. Product effects (such as intellectual development, stress relief, etc.) vary from person to person.
- Origin and Packaging: This product may be "Made in China". The packaging or instruction manual may contain simplified Chinese. Please consider this before purchasing.
- Dimensional tolerances: Since all dimensions are measured manually, there may be a small reasonable tolerance (+/- 1-3cm), and there may be minor errors. Please refer to the actual product.
- Color difference notice: All pictures are taken from real objects. Due to differences in shooting light, monitor resolution and individual understanding of color, there may be slight color differences from the actual product. Please refer to the actual product.
- Safety Warning: This product may contain small parts and is not suitable for children under 3 years old. Please use under adult supervision.
Kids' Toy & Gift Promotions
Kidrise has selected a variety of popular toys and gifts. Use our exclusive discount codes to bring joy to children!
Amazing Toys Promotion
Buy 2 get 15% off on the 2nd item (applies to the lower-priced item).
COUPON CODE (Click to select)
AZ15OFF
Pro'sKit Promotion
Buy 2 get 10% off on the 2nd item (applies to the lower-priced item).
COUPON CODE (Click to select)
PROSKIT10OFF
Goryeo Baby Promotion
Buy 3 get 50% off on the 3rd item (applies to the lowest-priced item).
COUPON CODE (Click to select)
GORYEO50OFF
Kidrise Science Exploration
Buy 2 or more items from this series and get 10% off.
COUPON CODE (Click to select)
KIDRISE10OFF
Kidrise DIY Maker Workshop
Buy 3 or more items from this series and get 20% off.
COUPON CODE (Click to select)
KIDRISE20OFF
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Condition
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Free Shipping over $400
Free door-to-door delivery on orders over HK$400 (excluding residential/remote areas).
Condition
No code required
Premium Gift Wrapping & Card Writing
Premium Gift Wrapping Service
Special gifts deserve exquisite packaging services.
We provide a full range of toy gift wrapping services, adding a beautiful touch and a handwritten card to your carefully selected STEM toys.
Warm wishes, beautifully presented. Make important moments full of smiles and make children even happier!
Exquisite Gift Wrapping
Using high-quality wrapping paper and ribbons, wrapped by hand to make the unboxing moment full of ritual.
Handwritten Greeting Card
We write your blessings for you, turning warm wishes into words delivered with the gift.
Billing for Multiple Items Instruction
This service is charged per 'toy item count'. Please add the quantity corresponding to the number of items you need wrapped.
We will provide individual packaging for each selected toy.
💡 Example: If you buy 3 toys and need all of them wrapped, please set the quantity to 3.
Shipping Policy & Delivery Info
Shipping & Delivery
Shipping Fees & Free Shipping
- Enjoy Free Delivery on orders over $400.
- Free shipping coverage: Single delivery location, including residential/commercial addresses, SF Stores, and EF Lockers.
- For orders under $400, a shipping & handling fee of $60 will be charged.
- SF Express Network:
Remote Area Surcharge
- An extra $10 fee applies to the following areas:
Sai Kung, Clear Water Bay, Shek O, Stanley, Discovery Bay, Ma Wan, Cheung Chau, Lamma Island, Peng Chau, South Lantau (including Tai O, Tong Fuk, Cheung Sha, Mui Wo, Pui O, etc.).
- Other remote area service & surcharge details: Click here for details.
- Note: Additional service fees may apply for remote areas. Please refer to SF Remote Area Table.
Delivery Time & Schedule
- General Delivery Service: Mon-Fri only (Hong Kong).
- Processing Time: 2-4 days after ordering.
(Cut-off time: Mon-Fri 16:00) - Transit Time: Approx. 5-7 days via courier.
- Actual delivery time depends on stock availability. Incorrect information may delay delivery.
Delivery Scope & Addresses
- Each order can only be delivered to one address. Please place separate orders for multiple locations.
- PO Boxes are not accepted as delivery addresses.
- No Delivery: Outlying Islands (except Airport, Ma Wan, Discovery Bay, and Tung Chung) and any restricted areas.
- Please contact Kidrise immediately if you need to change the address.
Tracking & Receipt
- We will provide a Tracking No. after the item is dispatched.
- To change the address after dispatch, please contact the courier directly. Extra fees are borne by the customer.
- Orders may be cancelled without refund if delivery fails multiple times due to personal reasons.
- Door-to-door delivery does not include moving items inside the residence. Kidrise is not responsible for any damage during moving.
Severe Weather Arrangements
- Delivery will be suspended when Typhoon Signal No. 8 or higher, or Red/Black Rainstorm Warnings are hoisted.
- Delivery will also be suspended if weather conditions are deemed unsafe by the courier.
- Kidrise will contact you to reschedule the delivery.
Educational STEM Toy Birthday Gift Guide
Struggling to find the perfect birthday gift? Kidrise has selected a variety of popular birthday gifts for children!
We feature Montessori toys for ages 0-3, as well as STEM toys for ages 3+,
covering the four major fields of Science, Technology, Engineering, and Mathematics.
Combined with our exclusive discounts, let's make it a memorable birthday for your little one!
How to Choose Age-Appropriate Toys?
Struggling to find the right toy or birthday gift? Kidrise has the perfect guide for you!
Toys are essential partners for children to learn while playing. Regardless of the type, they hold educational value.
However, choosing toys that do not match a child's age may lead to disinterest or safety concerns.
Kidrise Expert Advice:
Match the child's developmental age (intelligence, motor skills, and physical ability). Choosing 'slightly challenging' toys can better stimulate a child's potential.
Match the child's developmental age (intelligence, motor skills, and physical ability). Choosing 'slightly challenging' toys can better stimulate a child's potential.
Toy Age Guide & Categories
0-3 Yrs
Early Learning & Montessori
View Collection3-6 Yrs
STEM Educational Toys
View Collection6-11 Yrs
STEM Science Experiments
View Collection11+ Yrs
Advanced STEM Logic Toys
View CollectionReturn & Exchange Policy
Returns & Exchanges
Non-Exchangeable Items
- Bought by mistake / Changed mind after delivery.
- Product damaged by human error.
- Product has been opened or used (e.g., plastic wrap or box seal removed).
- Packaging is damaged, destroyed, or incomplete.
- Color difference due to lighting or screen settings (actual product prevails).
- Loss or damage caused by instructing courier to leave at door/management office.
Cancellation & Handling Fees
For order cancellations and refunds after payment, the following handling fees will be deducted:
Credit Card / AlipayHK / WeChat Pay
Deduct 5% or $30 (whichever is higher)
PayMe / Octopus / FPS / Bank Transfer
Deduct 3% or $20 (whichever is higher)
* We do not offer refunds without cause and reserve the right to refuse unreasonable requests.
Contact for Returns
Please prepare your order number and receipt, then contact us:
📞 Hotline: +852 6672 1884
📧 Email: contact@kidrise.com.hk
* If the item or quantity does not match the order, please contact us immediately on the day of delivery.
Return Rules & Process
- Timing: For quality issues, request an exchange within 7 days of receipt. Late requests will not be accepted.
- Return Deadline: Return the item to the service center within 3 days after the request.
- Proof: Must present the order number and original valid receipt.
- Limit: Only one exchange per order is allowed.
- Completeness: If operation is affected, return with full packaging and accessories; if only part is affected, only that part will be replaced.
- Shipping Fee: All shipping costs incurred for returns/exchanges are borne by the customer.
- Processing Time: Returns take 1-3 weeks (from the date of receipt).
- Refund Method: Refunds will be made to the original payment method (e.g., credit card), subject to bank processing time.
- Disclaimer: Kidrise is not responsible for damage after delivery. We are not liable for delivery failure/delay due to incorrect customer data.
- Returns due to size mismatch or change of mind are not accepted.
Other Terms
- We reserve the right to refuse any unreasonable return or exchange requests.
- Kidrise reserves the right to amend these terms without prior notice.
- In case of any dispute, Kidrise reserves the right of final decision.
Reminder:
Please read the product description and dimensions carefully before purchasing. Feel free to contact CS if you have questions.
Please read the product description and dimensions carefully before purchasing. Feel free to contact CS if you have questions.