Description
đ Key Features
Expansion set to upgrade your Rollercoaster Builder
Skeletal parts for more dynamic and advanced track designs
Encourages creativity, logic, and problem-solving
Perfect add-on for existing Rollercoaster Builder
â ī¸ Important Notes
This is an expansion set and cannot be used alone
Balls are not included
Requires Rollercoaster Builder (sold separately)
đļ Recommended Age
3 years old & above
đĻ Set Contents
14 parts (9 types)
đ Product Details
Package size: 17.0 Ã 26.0 Ã 8.0 cm
Total weight: Approx. 358g
Material: ABS / MABS
âšī¸ Additional Information
Product No.: BL-33
Product Code: 54817
JAN: 4944121548170
ISBN: 9784774334387
Country of Origin: China
Release Date: May 2023
Includes **ST Safety Mark**
Perfect for kids who love building, engineering, and marble run challenges đ§Šđ

![[Kumon] Rollercourse Builder Expansion Pack](https://plearnlabs.com/wp-content/uploads/2026/02/170.png)
![[Kumon] Rollercourse Builder Expansion Pack - Image 2](https://plearnlabs.com/wp-content/uploads/2026/02/171.png)
![[Kumon] Rollercourse Builder Expansion Pack - Image 3](https://plearnlabs.com/wp-content/uploads/2026/02/172.png)
![[Kumon] 1-30 Magnetic Number Board](https://plearnlabs.com/wp-content/uploads/2026/02/sg-11134207-821fp-mhab344xrnd6241770806958424-324x324.jpg)
![[Kumon] Step-Up Jigsaw Puzzles Step 6: Trains](https://plearnlabs.com/wp-content/uploads/2026/02/sg-11134201-8261b-mjuy9o0928e8e51770809298423-324x324.jpg)
![[Kumon] Step-Up Jigsaw Puzzles Step 7: Trains](https://plearnlabs.com/wp-content/uploads/2026/02/sg-11134201-8260c-mjuy7p7kyl8gc91770791353274-324x324.jpg)
Reviews
There are no reviews yet.