Description: Drive mode: two paddle wheels Powered by two AA battery?Not Included? DIY boat vehicle model can float on and travel over water continuously Wood color design, kids would express their imagination to color it Model Building Kits, including foam board, small motors, small panels, etc. A great DIY educational toy for kids and student to know the process of electricity converting into dynamic. Let Kids and children learn knowledge in the fun process of play Material: Wood Size??L*W?Approx. 18*8.5cm/ 7.08*3.34inch How to assemble? Step one : Make quant of boat (driving the boat ride), paddle plug into wheel tooth Step two: Build the boat 1, Sticked battery box on the boat deck with double-sided tapes 2, Insert switch to the hole of deck 3, Wire of negative battery is connected tothe left of switch, and wire of positive battery is connected to one end of the motor 4, connect one end of another wire to the motor, and connect the other end of wire to the hole of switch on the middle 5, Sticked the white panel on boat deck with double-sided tapes Package Includes: 1 Set Boat Model Building Kits Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. This product contains small parts?do not eat in order to avoid danger suffocation?not suitable for children under the age of 3