Encourage hands on exploration, matching, and understanding symmetry with these Interlocking Sensory Stones. These pairs of stones are designed so that each pair interlocks in a different way, from concentric circles that can be continually twisted to shapes that can be interlocked in two, three or four positions. The set contains eight stones (four pairs), cast from a unique mix including real stone, making these pebbles durable for many messy play, printing and mark making activities both indoors and outside! Stones measure 3". Ages: 3+.
- 8 Stones.
- Guide with suggested sensory play activities.