Bristle Blocks are colourful, easy to join and made for creative fun. Kids can use their imaginations to create all kinds of Bristle Block designs. Just press the soft, interlocking pieces together for building fun.Unbox 50 Bristle Block pieces in different shapes and colours, perfect for building planes, pets and anything you can imagine. The box even features fun building ideas to get you started.Sensory Play Sensory play with creative, tactile toys can help support your child's development. Sensory toys like Bristle Blocks can help build communication, motor skills and independent thinking.