- Plastic
- Outdoor exploration tools: size is reasonable, suitable for the to grasp and operate,collector
- :make have cognition of the world, enrich knowledge,observation bucket
- Explorer kit:can be used to observe live or flowers, leaves and other small objects,observation barrel
- Educational :can release the nature of , it is the beginning of early education.,barrel
- Collection:lightweight and compact size, very portable to take along,science plaything