With 72 pieces, our Mini Unit Bricks Architect Set is a complete building system ideal for tabletop play. Choose this as your first total building system, or boost an existing collection of Unit Bricks and blocks. Each Architect’s Set includes a comprehensive range of rectangles, squares, triangles and arches for complex structure creation and a rich environment for hours of open-ended play. Each set includes: 10 Pillars, 4 Corners, 4 Half Units, 8 Units, 4 One-and-a-half Units, 8 Double Units, 8 Small Triangles, 4 Large Triangles, 4 Buttresses, 4 Gothic Arches, 4 Roman Arches, 2 Ramps, 2 Half Circles, 4 Quarter Circle Curves, 2 Circle Curves. Two-colour set in natural wood and orange Multi-sensory and tactile Encourages explorative and open-ended play Introduces mathematic foundations, logic and problem-solving Great for hand-eye co-ordination, fine motor skills and balance building Suitable for ages 3+