The crafter describes this work in the following manner, " The goal is to remove the wooden marble from the puzzle. You can use the inside space to hide a gift. For this version I used six different woods in symmetrical formation." Measures approximately 68 mm. Consists of 2 pieces and will arrive in a cardboard packing box and diagram. Crafted in Walnut, Cherry, Maple, Ash, Oak and Plum woods.