About This

• Kids can build their own working Hydraulic Robotic Arm with this 3-D model kit from Marbles!
• With assembly time of about one hour, kids work with die-cut plywood pieces to build this cool creation!
• Once built, this arm rotates 90 degrees, 13 inches tall and stretches 16 inches wide.
• Marbles’ Hydraulic Robotic Arm is made for kids aged 8+.
• Includes: 41 Wooden Pieces, Syringes & Tubing, Sand Paper, Glue, Elastic Bands, Twist Tie