Please note, this item ships from an international seller. Expected delivery is 10-15 days. Tips :Please chat if you have any questions. Fast delivery. Ready stocks. Soft & Comfort material. DIY Smart RC Robot Infrared Robot Toy Gifts for Kids Boys Features: By using the connection between the gears, the power is transmitted, and when the large and small gears are interlocked with each other, one of the gears is rotated, and the other gear is rotated in the opposite direction, and the machine is operated more smoothly through the direction and the speed. Material: ABS Applicable age: 8 years old or older Infrared sensing, AI artificial intelligence, follow, explore dual mode Mechanical power DIY design to develop children's thinking and hands-on ability Two modes to bring more fun to children ABS material is harmless to children's health Lovely look and small size Battery: 4 x AAA battery powered ( not included ) Package Contents: 1 x Robot Kit