Specification:
6+; 651 pcs; with 1 instruction book & 32 teaching book lessons

Features:

• Varieties to mix & match to build into hundreds of mechanical devices
• Easy to assembly
• Enhance creativity and stimulate individual learning
• Train and improve logical thinking ability and hands-on skill
• High quality and safety
• Educate in engineering, motion movement and science learning
• Models building instruction book & teaching book included