GraviTrax Junior - Small Starter SetGraviTrax Junior Small Starter Set Jungle gives children from the age of 3 a child friendly introduction to themed marble track worlds, and this Small Starter Set Jungle is the perfect way to begin. With chunky, easy to handle track pieces and playful jungle decorations, children can create their own mini rainforest run and then send marbles rolling, dipping and turning through the scene. Friendly parrots, sloths and jungle plants turn every build