说明

• EUDCATIONAL & COOL TOYS: Its a unique mechanical 3D metal puzzle, creating a hand-held miracle play-world for adults, full of entertainments and knowledge for all ages. DIY KITS: It is a challenging and puzzle with fun, coming in pieces, requiring assembling with great patience and observation , taking about 5 hours to be complete. It comes with instruction, no need glue or battery, just put it together with the screws.