Hydraulic Excavator Model STEM Toy for Kids Wooden Science Experiment Educational Toy Complete Kit with Unique Hydraulic System for Hours of Fun

• [kids friendly design] made from wooden materials with, ensuring a great touch experience for.
• [unique hydraulic system] teaches to operate levers and connecting rods using syringes for gripping action.
• [easy assembly] hassle building experience all parts are pre cut, no need for tools or glue.
• [educational and fun] perfect for promoting stem learning and problem solving skills in of all ages.
• [complete kit] build an impressive hydraulic excavator from scratch with this toy set, providing hours of fun for.

[Educational and Fun] Perfect for promoting stem learning and problem solving skills in kids of all ages . [Complete Diy Kit] Build an impressive hydraulic excavator from scratch with this toy set ,providing hours of fun for kids . [Easy Assembly] Hasslebuilding experience as all parts are pre cut ,no need for tools or glue . [Unique Hydraulic System] Teaches kids to operate levers and connecting rods using syringes for gripping action . [Kids Friendly Design] Made from safe wooden materials with smooth edges ,ensuring a great touch experience for children . Spec : Item Type :Hydraulic Excavator Model Material :Composite Wood Use :Hand made ,puzzle teaching Principle :By imitating the hydraulic effect through four sets of needle cylinders ,the excavator can move up and down ,left and right ,and dig down Package List : 4 x Board 4 x 3ml Syringe 4 x 5ml Syringe 4 x Tire 1 x Screw Accessory Kit 2 x Long Shaft 6 x Short Shaft 1 x Screwdriver 2 x Cable Tie 1 x Hose How To Use : Install and use .