Budding architects can build even bigger with our 24-piece Unit Rocks set – a perfect complement to our best-selling 100 bricks set. Weighted and measured the same as our standard bricks, this extension set includes more units and half units for building on those STEM-based foundations. Can also be used as a starter set for children newer to block play.

• Beautiful and built to last heirloom quality
• Hand-carved textured wood is tactile and weighted to suit children’s developmental and cognitive needs
• Develops fine motor skills, and enables practice in small and large gross motor skills
• Encourages design, creativity, planning, and big thinking
  
• Fits with your home or school’s existing block collections
• Natural appearance mimics real-life rocks
• 18 months

Built to the scale recommended by childcare expert Caroline Pratt, our standard Unit Bricks measure 140x70x35mm.

• All-natural organic paints and dyes
• Made from solid hardwood 
• 100% earth-friendly
• Eco-friendly card box packaging
• Standard Unit Brick measures 140x70x35mm (5.5x3x1.5 in)
• All Unit Bricks products conform to major international safety requirements for toys (ASTM, CPSIA, EN71)
• Total weight is 5.5kg (12lbs)
• Designed in Hong Kong and the USA, made in Thailand

Each 24-piece set includes: 10 Half Units, 10 Units, 2 One-and-a-half Units, 2 Double Units.