Gravitrax Extension Ball and Spinner An ergonomic handle creates a

An ergonomic handle creates a natural hand position so mixing never feels like a chore

Instead of feeling like you own something that looks just like a handgun

Blast off into outer space as you scratch your way through the solar system

from beginners to experienced model hobbyists

well-crafted basics needed in every kitchen

Gravitrax Extension Ball and Spinner An ergonomic handle creates aLaunch more marbles with the GraviTrax Balls & Spinner and up the odds on your races! With the spinner up to six balls can be started at once. Watch as the marbles are sent on a race through your tracks. This extension allows you to build up to six different track courses. Combined with the Starter Set, you could have up to nine different tracks launched at once. How many marbles will you race? What makes a great toy? GraviTrax checks all the boxes!