The grooves engraved in the two rotating boards are called logarithmic spirals.
These Two grooves always cross at right angles and a square hole is formed at their intersection.
The goal of this puzzle is to remove the helix ring that goes through that hole.
The inspiration of this puzzle is the morning glory.
The puzzle was designed to look like a bud that comes into bloom with twining tendrils.
The original concept dates back to 1990 but it has been enhanced with the addition of several tricky features.
The theme of this puzzle is Flower.
Local delivery is carried out by Canada Post.
The majority of items are free shipping for orders over $170 and have a 35 shipping cost for orders under $170.
Delivery currently takes around 10-20 business days and can be tracked online 24-48 hours after dispatch.
DHL Express shipping with prepaid import duties and taxes is avaliable for most items. Cost will vary depending on item price and weight.
For some items we provide shipping from the US which takes 4 to 6 business days, please note the shipping costs on the product information page for these items.
