The Yellow Door Let's Investigate Bugs allow children to get up close and explore the details of creepy crawlies without them escaping! Children will enjoy taking these tactile stones on their bug hunts, taking wax rubbings and making imprints in modelling clay or sand. The bugs are made from a stone mix so are durable and can be used both indoors and outdoors. Designed to fit snugly in small inquisitive hands (80mm), these bugs have huge potential for investigation, exploration and biology. Set includes eight tactile specimens:. ant. beetle. butterfly. centipede. dragonfly. ladybug. spider. woodlouse. This set:. Helps children to make sense of their physical world. Allows exploration of different environments. Encourages imaginative play.