STEM Construction Toys, 6-in-1 Excavator/Bulldozer/Crane/Crab/Fire Engine and Wood Loader DIY Science Project with Hydraulic Systems for Kids Boys Girls Age 8

About This Product :

• STEM Education : This project uses hydraulic power system, which help kids explore the magic and fun of hydraulic power. Also develop kids” imagination, creativity and logic thinking skills.
• 6-in-1 Toys : Package contains 1 track base and 6 replaceable arm (excavator, bulldozer, crane, crab, fire engine and wood loader). Just disassemble and replace the working arm, so kids can play 6 construction cars. Offers limitless joy.
• Environmental Material : Made of high-quality ABS plastic, which is non-toxic, no burrs, durable and 100% safe for kids. Parents do not need to worry about the health of their children.
• NO battery, NO motor : This project is DIY item. Using hydraulic system to raise/lower the boom, control the stick motion, etc. The body platform is 360 degrees rotation to meet the needs of the multi-angle operation.
• Be Caution : 1.Cut burrs cleanly when cutting off the parts to avoid gap during assembling. 2.Cut off the required parts according the assembling procedure. It will cause confuse during assembling if you cut off all parts in advance.