product description
Build the ultimate ball track with this SmartMax Mega Ball Run magnetic construction set that contains an amazing 74 pieces! With endless options you can make all kinds of crazy machines and let the balls roll. Mega Ball Run contains special parts including tubes and X-shaped bars with 4 magnetic ends.
product specs
Enables children to discover magnetism and early engineering skills
74 pieces
Includes: tubes and X-shaped bars with 4 magnetic ends