LEGO® 42131 Technic™ App-Controlled Cat® D11 Bulldozer

Celebrate a hero of the construction world as you build a replica version of the biggest Cat® dozer with this LEGO® Technic™ App-Controlled Cat® D11 Bulldozer (42131) kit. Please note not available for sale for New Zealand customers.
This large set lets adults enjoy quality 'me time' focusing on their passion. Just like the real Cat® bulldozer, this model is built in modular sections. LEGO fans will love the new-for-October-2021 LEGO element - a large track that can be tightened and loosened. And the build is just the start! With many authentic features and functions packed into this model, there's lots to discover.

Take control of your bulldozer model
Use the CONTROL+ app to operate and explore this heavy-duty machine. Use the app to drive and steer. The app delivers realistic movement as you raise, lower and tilt the blade or raise and lower the ripper and ladder.

Explore engineering
LEGO Technic buildable models feature realistic movement and mechanisms that let LEGO builders explore engineering concepts in an approachable and realistic way.

• Build a mighty construction vehicle packed with details with this huge LEGO® Technic™ App-Controlled Cat® D11 Bulldozer 42131 model building set for adults.


• Enjoy a rewarding build, then explore the model's many features and functions. See the new-for-October-2021 LEGO® track element that gives the bulldozer its realistic movement.


• Use the CONTROL+ app to operate your bulldozer. Bring the bulldozer model to life as you drive and steer, then raise, lower and tilt the blade or raise and lower the ripper and ladder.


• Looking for the best gifts for yourself or any fan of Cat® bulldozers and other cool vehicles? This impressive construction vehicle set makes a top gift idea.


• This Cat® replica measures over 10 in. (26 cm) high, 22 in. (57 cm) long and 14.5 in. (37 cm) wide.


• Requires 6 x AA batteries (not included). The set also includes 2 x no. 15 motors, 2 x large motors and 1 x hub.


• This Cat® model is meticulously detailed to replicate the full-sized model with authentic colors and graphics that Cat® enthusiasts will love.


• The LEGO® Technic™ universe offers advanced buildable models for LEGO fans who are looking for an immersive building challenge.


• LEGO® Technic™ components are dropped, heated, crushed, twisted and analyzed to make sure they meet strict global safety standards.

Delivery varies by location, please see the expected timeframe to receive your product below:

• Metro: 1-5 business days

• Regional: 3-10 business days

If you are unavailable at the time of delivery re-delivery fees may apply.

Change of Mind Returns
1. Rarities AU will allow a return where you have changed your mind, provided that the item in question is:
- returned within 14 days of receiving the order;
- as new and is not used, worn, or opened and has all original packaging and tags intact (including any package seals (if any) being unbroken);
- in a resalable condition; and
- not damaged in any way.
2. We cannot accept change of mind returns on items that come in sealed packages or boxes where seals are damaged or broken.
3. You will be responsible for the cost and risk of returning goods, including the cost of return shipping. If the item is not received by Rarities AU, you will not be eligible for a return.
4. You may be provided with a refund only when the returned product is received, and it complies with the requirements outlined above.
5. If the returned item does not meet the conditions of this policy, you will be responsible for the cost of receiving your returned goods back to your nominated address.
6. Change of mind returns are not accepted for intimates, which includes underwear, hosiery, socks, swimwear and adult toys due to hygienic reasons. Remedies for defective goods are still available. Under no circumstances can change of mind returns for digital access codes or downloadable software be accepted. See below list.
*Excluded Change of Mind categories/products

The following categories are not covered by the Change of Mind policy:

Cosmetics & Beauty products (If hygiene seal is broken)
Pharmaceutical/Health products
Perishable Goods & Food items
Personal Care Items
Hosiery
Underwear & socks
Swimwear
Pierced jewellery
Mattresses, mattress and pillow protectors
Gift cards, phone recharge or third party gift cards
Media - Books and unsealed CDs, DVDs & Video Games
Adult toys/sexual health products
Assembled furniture
Digital Goods (download codes etc.)
Personalized/Made to order Goods
Earphones/Headphones (if package has been opened)
Large/Bulky Appliances
Toilet paper
Paper towel
Tissues and serviettes
Medicinal (pain relief)
Cleaning (Examples: anti bacterial wipes, sprays and cleaners, disposable gloves)
Feminine hygiene and incontinence
Baby wipes
Hand Sanitizers
Disposable or reusable face masks
Any merchandise where the GST has been claimed under the Tourist Refund Scheme, unless proof of repayment of the GST upon return to Australia is provided

At Rarities AU, we take pride in offering brand new and manufacturer sealed collectibles to our valued customers. We strive to choose the best possible boxes for all orders to ensure the highest level of customer satisfaction.

However, we would like to inform our customers that due to the nature of some retired stock items, there may be some shelf wear present on the boxes. While we make every effort to select the best quality boxes for our orders, we cannot guarantee that all items we ship will be in mint condition.

Please be assured that any collectibles with significant damage or defects will not be shipped.

Thank you for your understanding and support.

Restocking Fee Policy for Returns

At Rarities AU, we strive to ensure your satisfaction with every purchase. However, we understand that there may be instances where you need to return a product. To cover the costs associated with processing returns and restocking items, we have implemented the following restocking fee policy:

1. Restocking Fee Percentage:

A restocking fee of 15% of the original purchase price will be applied to all eligible returns. This percentage is calculated based on the total value of the returned item(s) before any discounts or promotions.

2. Eligibility Criteria:

Restocking fees apply to returns of products that are in new, unused, and resalable condition. Items must be returned in their original packaging with all accessories, manuals, and any other included components.

3. Return Authorization:

Customers must obtain a return authorization (RA) number before returning any item. Please contact our customer service team to initiate the return process and receive your RA number.

4. Refund Process:

Once the returned item is received and inspected, the restocking fee will be deducted from the refund amount. Refunds will be issued using the original payment method.

5. Customized or Collectable Items:

Restocking fees may be higher for customized or collectable items. Please contact our customer service team for specific details.

6. Changes to Policy:

Rarities AU reserves the right to modify or amend this restocking fee policy at any time without prior notice. Changes will be effective upon posting on our website.

By making a purchase with Rarities AU, you acknowledge and agree to abide by the terms of this restocking fee policy.

If you have any questions or concerns, please contact our customer service team.

Warranty Claims: Most of our products are supported by a 12 month warranty. This warranty covers all manufacturer faults with the product. Some of our products may have a different warranty period, please check the product description for this. Should an issue arise with your order, please contact us via your MyDeal Account to raise a warranty claim.

Thank you for choosing Rarities AU.