Optimus Prime robot 3d puzzle

Optimus Prime robot 3d puzzle

Product feature:

  1. The packaging color box  and specification with english.

  2. Don`t need glue, scissor, assembled safety.

  3. Have international certification, made by eco-friendly EPS, paperboard and pinting technology. damp-proof and can wipe.

  4. Hands-on, minds-on, popularize scientific knowledge.

  5. 3D effect, spectacularity, highly ornamental.

Tables of difficulty:

                   difficulty                     time                    suitable for the crowd

                    1-3 star                   5-30 min                     easy,  for kids

                    3-5 star                   30 min -2 hr            normal,  for youth

                    5-7 star                   5 hr - 6 hr                    hard,  for amateur

                    7-9 star                   6-12 hr                    difficult,  for challenger

                     10 star                   +12 hr                  very hard,  for hard-core gamers

different types: