A remote-control excavator is fun to operate, but building one piece by piece adds another dimension to the experience. JIESTAR 57023 takes this approach with a 1:20-scale crawler excavator assembled from 1,246 building blocks. Once construction is complete, the model is designed to do more than sit on a shelf: its tracked base, rotating upper body, articulated arm, and digging bucket bring the miniature construction machine to life.
Rather than being a simple vehicle kit, this set combines hands-on assembly with remote-controlled mechanical functions. It may appeal to people who enjoy engineering-style building projects, construction machinery, and models that remain interactive after the final brick is installed.

JIESTAR 57023: More Than a Conventional Building Set
The first thing that distinguishes the JIESTAR 57023 is its scale and overall structure. Built at 1:20 scale, the finished excavator measures approximately 47.2 cm long, 18.3 cm wide, and 30 cm high. That gives it a substantial presence compared with smaller construction-themed building kits.
Its 1,246-piece construction is organized around the recognizable components of a crawler excavator. These include the tracked undercarriage, operator cabin, rotating upper section, mechanical boom, arm, and bucket. The result is a model that recreates the basic layout of full-size construction equipment rather than simply resembling a generic yellow vehicle.
The assembly process is also part of the appeal. Builders need to connect structural elements and mechanical components in the correct order, making the project more involved than putting together a small display model.
Remote-Controlled Functions Bring the Excavator to Life
A major reason to consider the JIESTAR 57023 is its powered functionality. According to the product documentation, the completed model supports remote control and Bluetooth app control.
If you are also interested in conventional remote-controlled construction vehicles, take a look at our HuiNa Toys 1522 RC Excavator Truck and Flatbed Trailer review for another take on interactive excavator play.

The excavator’s main functions include:
- Crawler movement: The tracked chassis allows the model to move forward, backward, and turn.
- 360-degree body rotation: The upper section can rotate around the base, reproducing one of the defining movements of a real excavator.
- Articulated boom and arm: The mechanical arm can move up and down to change the working position.
- Adjustable digging bucket: The bucket can be operated to simulate scooping and releasing material.
These functions make the model more interesting than a static building-block display. Instead of manually repositioning every component, users can operate the powered mechanisms after assembly.
It is worth keeping expectations realistic, however. This is a brick-built model, not a professional construction machine or a heavy-duty outdoor RC vehicle. Its mechanical movements are intended for interactive model play and demonstration.

A Closer Look at the 1:20 Scale Design
The tracked undercarriage gives the model its construction-site identity. Unlike a wheeled vehicle, a crawler excavator uses tracks to move around a work area. Reproducing this arrangement in building blocks helps the finished model look more like recognizable heavy machinery.
Above the tracks sits the rotating upper body, which houses the cabin and working arm. The ability to rotate this section is particularly important because it allows an excavator to change its working direction without turning the entire chassis.
The boom, arm, and bucket complete the mechanical layout. These connected sections demonstrate how an excavator reaches toward a target and changes the angle of its digging tool. For builders interested in mechanical structures, these moving assemblies are arguably more engaging than the exterior decoration alone.
What Is Included, and How Difficult Is Assembly?
The JIESTAR 57023 is supplied as an unassembled building-block kit with 1,246 pieces. Its documented package contents include a power-function set, remote control, motors, battery box, and printed assembly instructions.
Because the model combines ordinary building elements with powered components, careful assembly matters. Incorrectly positioned parts or poorly seated connections can affect how the moving mechanisms operate.
A sensible approach is to sort the pieces before starting and follow the instruction manual section by section. It is also useful to check the movement of mechanical parts during construction, especially around the rotating base and articulated arm, before completing the surrounding structure.
The completed model is approximately 47.2 × 18.3 × 30 cm, so it is worth preparing enough desk or shelf space before beginning the build.
Is the JIESTAR 57023 Suitable for Children?
Although the product is marketed as a gift for children, the number of pieces and the mechanical assembly make it important to check the recommended age before purchasing. The available instruction manual lists an age recommendation of 14 years and older and warns that the small components are not suitable for children under three.

Younger builders may need adult assistance, particularly when assembling the powered sections. The set is likely to be more rewarding for someone who enjoys following detailed instructions and has the patience to work through a relatively large building project.
For parents, it is worth considering the recipient’s actual building experience rather than choosing solely by the product’s construction-vehicle theme.
For readers who enjoy creative construction kits, our Cogo Military Airplane Ship 8 in 1 Building Blocks review offers another example of how building-block sets can combine assembly with imaginative play.”
JIESTAR 57023 Specifications
| Feature | Details |
|---|---|
| Model | JIESTAR 57023 |
| Type | RC crawler excavator building kit |
| Scale | 1:20 |
| Number of pieces | 1,246 |
| Finished dimensions | 47.2 × 18.3 × 30 cm |
| Control methods | Remote control and Bluetooth app |
| Main functions | Track movement, 360° body rotation, articulated arm and bucket |
| Package components | Building blocks, power-function components, remote control, motors, battery box and instructions |
| Manual’s age recommendation | 14+ |
What to Consider Before Buying
The JIESTAR 57023 is best understood as a building project with an interactive result. Its 1,246 pieces offer a more involved assembly experience than a ready-to-run RC excavator, while the powered functions give the finished model a practical reason to remain on display.
There are a few things worth checking before placing an order:
- Assembly time: This is not a ready-to-use toy. Allow time for sorting pieces and following the instructions.
- Space requirements: The finished model is nearly half a meter long, so it needs a reasonably large display area.
- Power requirements: Check the seller’s package details for the exact battery requirements and whether batteries are included.
- Operating environment: A clean, level indoor surface is a sensible place to test the tracks and moving arm.
- Age suitability: Follow the instruction manual’s age guidance and keep small pieces away from younger children.
Final Verdict: A Building Project for Construction-Machine Fans
JIESTAR 57023 combines three appealing elements: a substantial 1,246-piece assembly project, a recognizable 1:20 crawler excavator design, and remote-controlled movement after construction. Its rotating upper body and articulated digging mechanism give the finished model more character than a conventional static building-block vehicle.
It is particularly worth considering for builders who enjoy engineering-themed kits and want something they can operate after completing the assembly. Those looking for a simple toy that works straight out of the box may prefer a conventional RC excavator instead.
If the idea of constructing a miniature excavator and then controlling its movements sounds appealing, the JIESTAR 57023 RC Crawler Excavator Building Kit is a distinctive option to explore.







