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Building blocks - with a twist! The cool thing is, you're building essentially horizontal structures to make marbles move, so the key (and satisfaction) involves how you position the holes in the blocks. You must use your noggin!
Our Basic Set of 49 pieces includes blocks, rails, and a twist. The Twist and Rail Set includes a twist and 99 pieces. Both sets include 50 marbles and terrific instruction books. Add special effects with the 11-piece Switch Set that includes a "speedmaker," and allows you to let marbles go one at a time or all at once.
For ages 4 and up.
Quadrilla Collection Special Save $24.96 when you buy the Quadrilla Basic Set, Twist and Rail Set, and Switch Set together. Only $220.00
Comments about Product: Really fun, high quality toy! Keeping my three year old engaged for about an hour a day. A few design flaws though: Pieces don't interlock tightly making some maze designs wobbly. So with a high energy three year old, one false move and the maze can get knocked over in in a flash. Also the manuf. choose two similar shades of green for the blocks. When looking at design instructions it is hard to tell which green to use....not a big deal, just slightly irritating.