The GraviTrax Junior Extension Trax is the ultimate structural expansion pack designed to unlock endless building possibilities and bring massive scale to your child’s marble run worlds. Specially tailored for young engineers aged three to seven, this essential add-on features over thirty pure construction components, including sturdy foundation plates, stackable height blocks, straight tracks, and sweeping curves. By giving preschoolers the freedom to lift their tracks off the ground and engineer winding, multi-level paths, it transforms basic layouts into towering vertical adventures. Every piece is crafted from an eco-friendly wood bioplastic blend that is perfectly sized for small hands, ensuring a safe, sensory, and highly durable building experience. It serves as an excellent electronic-free tool for developing fine motor skills and spatial awareness, giving children the physical pieces they need to grow their layouts alongside their imagination.
*for a complete play experience, Gravitrax Junior Extensions are to be used with Gravitrax Starter Sets, not as stand-alone items.
Box size: 6.8 x 22.2 x 22.2 cm. Ages: 3 - 7 years
