GraviTrax Element Colour Swap counting Enjoying a refreshed cover on

Enjoying a refreshed cover on his first adventure — plus two new pages of games and searches

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Product number 3136

The Reflex™ is the easiest yo-yo for new players

Can you position the trampoline so that the marble flies really far

GraviTrax Element Colour Swap counting Enjoying a refreshed cover onBring a new element of surprise into your GraviTrax marble run! As if by magic, the marble changes color as it passes through the Color Swap. Simply hide a marble within the tunnel the momentum from the incoming marble propels the hidden marble out the other side with the illusion the marble changed colors! Its a snap to combine Color Swap with any GraviTrax Starter Set to experience the power of gravity and educational fun today! What makes a great