Wooden Puzzles Brain Teaser 3D Burr Puzzles Jigsaw Lock for Adults Kids IQ Test Toys Games Gift Set Interlocking Cube Blocks

Features: ?The puzzles look simple, but contain lots of mysteries. They are easy to disassemble but difficult to assemble. ?Train brains. It can make your brain sharper, develop intelligence, Challenge your mind and patience. ?Have parties. Take this set of brain teaser to share with your friends, families or colleagues. ?These puzzles can get children away from phones or other electric device. Specifications: Material: Wood Total Weight: 0.8 lb Package Size: 7 x 2.8 x 3.5 lb Single Size: 1.8 x 1.8 x 1.8 lb Contents: 6x puzzles, 1x manual, 1x box 100% Brand new. Cautions: 1.With small part, children should be used under adult supervision. 2.Do not drop them on the floor or the desk. 3.Do not play with them if there is any issue.