1. Material: pine wood + rabbit fur + fluff + rubber
2. Size: clouds: 28x21cm, five holes: 33.5x26x10cm, eight holes: 40x33.5x10cm
3. Applicable object: cat
4. Features: simulation mouse, human pet interaction, rabbit fur ball design
5. The handle implies hidden skills, slot design, can add catnip
6. Scientific design, improve intelligence