This DIY kit contains everything needed to assemble a model robot grabber arm that makes use of hydraulic power to open and close the hand. • Provides children with a basic introduction to the scientific principles of hydraulics • Includes instruction booklet and relevant components • Primarily made of cardboard construction • Measures approx. L 60cm × W 11cm × H 3.5cm once fully assembled • Recommended for children aged 8+ • Requires scissors (not included) • Packaged in printed cardboard box Caution! Not suitable for children under 3 years old. Choking hazard due to small parts. Please read all instructions and warnings carefully before assembling the arm. Some of the metal components might have sharp edges, so adult assistance is required when assembling and using the arm.