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205 pice Quadrilla Twist Basic set is all about curves and circles. This wooden toy set features 13 curved tracks in three different sizes and 2 funnels that are certain to inspire many afternoons of wholesome playtime. Theres also 41 Colored blocks in eight colors, 32 rings, and 12 accelerators, making this a very substantial play set.

Youll be completely mesmerized by the non-stop action in this Twist Set. Quadrilla has designed a marble run that is stable, easy to construct, infused with the potential for thrilling speed and brilliantly conceived. The beautiful primary colors are awe-inspiring -- whether you are 4 or 104!

Your children will love their independence in constructing a fast moving marble run. Truly ingenious in design. The meticulously crafted wooden runs notch together with ease making Quadrilla a favorite for even the youngest children. Tracks sit level and speed results from the use of different connecting blocks, accelerators & action pieces. All simply combined for fast moving effects.

The educational value associated with this great toy adds to its charisma. This toy challenges imagination and inspires observation, deductive reasoning, logical thinking & problem solving. Its a sophisticated learning experience based on simple design.

This Quadrilla Twist Set contains everything you need to jump in and enjoy the elite Quadrilla building experience. Also included are detailed, easy to follow instructions for 3 rail combinations. The Basic Marble Run (Easy to Build Marble Run with Eight Levels); High Tower with 2 Helixes (More complex marble run with differently branched pathways due to many switching elements); Big Circular Marble Run with Two Opposite Helixes (A complex, circular marble run built with varied pathways in many different directions)

• 105 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
• Twist Set Includes 2 Twist Action Helix Pieces!
• Helixes (Spirals), Rails, Connecting Blocks, Accelerators & Action Pieces
• 100 Colorful Marbles
• Instructions for 3 Fantastic Rail Combinations
• 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.