ROKR 3D Wooden Puzzles for Adults, DIY Wooden Ballista Launcher Toys Building Model Kits STEM Projects Toys for Boys/Girls

ROKR Siege ballista toys are wood catapult launcher kit inspired by ancient battle equipments. The building model kits combines physics concepts with history. It needs self-assembly and require no glue at all. Once completed, it will bring everlasting fun to kids and adults. *Do not aim at eyes while playing. SPECIFICATION: SKU: KW401 Pieces: 142 pcs Assembled Size: 11.9x9x6.5inches Estimate Time: 2 h Material: Wood NOTE: 1.The 3D puzzle kit need to DIY, waxing, polishing, assembling by yourself. The necessary tools are included with a clear English manual. 2.Please wax enough as instructed to keep the gears rotate smoothly. Some parts may be fragile and need special attention when assembling. 3. Do not aim at eyes while playing. 4. If you have any problem during assembly, such as parts missing or broken, we are glad to help unconditionally.