Our Mini Unit Bricks Builder Set makes a great starter set or extension to the 72-piece Architect Set. Including 40 pieces in a range of shapes including rectangles, squares, triangles and arches, pieces are tactile to hold, and offer exciting building possibilities. Sized to suit tabletop play. Each set includes: 6 Pillars, 2 Corners, 4 Half Units, 6 Units, 2 One-and-a-half Units, 2 Double Units, 2 Medium Triangles, 4 Small Triangles, 4 Large Triangles, 2 Buttresses, 2 Gothic Arches, 2 Roman Arches, 2 Ramps. 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+