Product Features
- REPLACEMENT BALLS- These high quality chromium steel balls designed to replace lost balls for the innovative marble run and STEM toy GRAVITRAX.
- CHROMIUM STEEL- Material is made out of durable, hard gray metal.
- ENGINEERED DESIGN- The High Quality metal's engineered properties allow for a polished shiny long-lasting appearance.
- DURABILITY- GRAVITRAX replacement steel balls are known for their incredible resistance to corrosion and hardness.
- SIZE- Suited for brands requiring a 1/2 inch metal ball including the popular GRAVITRAX STEM toy.
Product Description
Lost your marbles? Four Brothers offers round, high quality and durable replacement chromium steel balls designed for the innovative and fun STEM marble run toy GRAVITRAX, requiring 1/2 inch balls. While these balls are designed to replace the popular GRAVITRAX toy, they will also support other games that require a 1/2 inch steel ball. Chromium steel is designed with maximum engineering properties that allow for sleek and lustrous appearance in a gray metal. Never search again, as these replacement balls are known for their incredible resistance to corrosion and hardness resulting in a long-lasting product.
UPC
10 Pack - 633696381582
20 Pack - 633696381599
