• 500+ massive question bank, from easy to difficult, easy to get started
• Smooth magnetic sliding, touch feel faster and slippery, not easy to fall apart
• Dynamic solving teaching, teach you how to play step by step
• Time-limited solving game, PK together, nervous & exciting to play
• Electronic game sound effects, more fun to play

Specification: 

• Material: ABS
• Size: 18x13x2.5cm
• Battery: 2 x AA batteries(included)