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Hersa marble maze like no other. The possibilities are endless with the new Quadrilla Twist and Rail Set. Constructed from superbly finished solid wood, the 147 piece the new Quadrilla Twist and Rail Set has virtually every brain-enhancing virtue we look for in a toy. Start with its ability to provide hour after hour of fascination and intrigue. Easy-to-follow instructions guide youngsters through the construction of their first maze. After that, children can use the interlocking pieces to create innovative new maze designs that make use of Quadrillas unique combination of two-way chutes, straight and curved channels, and its centerpiece - a funnel track that spins the marble around and around and around to its goal.

• 147 Great Pieces To Construct A High Quality Wooden Track
• Brilliantly Colored Wood
• Highly Stable Design
• Wooden Pieces Fit Together for Amazingly Easy Construction (Pieces set on top of one another & stay put)
• Fast Moving Effects
• Loaded with Possibilities for Design Innovation
• Recommended for Ages 4 and up

Quadrilla is the next generation of marble runs. It is a system of blocks, tracks and accessory pieces that allow the energy of a marble to travel in a make-your-own path. Beautiful wood tracks and a rainbow of colored blocks, each with a different function, are the starting point for endless contraptions for marbles to drop to a new level, go right or left, swirl in a funnel, or pour out of a teeter totter.

Quadrilla’s versatile design allows the child to determine the marble’s path and the options are endless. Simple 2 or 3 level switches or complex multi-level, multi-direction layouts are possible depending on the builder’s understanding of the function of each piece. Quadrilla has developed a logical, sturdy product where the process of building is as much fun as the process of playing.