Jumbo Sensory River StonesBring balance, beauty and sensory exploration to your learning space with the Guidecraft Jumbo Sensory River Stones. Designed with a nature inspired focus, this stunning 10 piece set includes oversized, smooth sanded beech wood stones with inset textures that engage children in tactile play while encouraging stacking, patterning and imaginative construction. Each stone features gentle, natural colours and organic shapes, making them a calming addition