For ingenius architects: the round and angular fanciful blocks can be piled up in many ways to form different fairytale buildings. Unlimited building and stacking fun with with a tower pixie, a bear and a cat! Material: 33 pieces of beech wood, 2 little boards (with 2 and 3 holes) and a little fabric flag. Dimensions: pegging base 10 x 18 with 8 holes. This set is compatible and combinable with Stack & Plug Master Builder Small and Medium. Many creative building and stacking combinations. Ideal for stacking experiments.