This amazing, motorized building set comes with 118 pieces and color-coded instructions to build four different moving models or create your own funny face. Magnets on bases allow for building on vertical magnetic surfaces, including refrigerators and metal tabletops. Kids can create anything they can dream up - there"s no wrong way to build!Includes flip gears, eyeglasses, mouth, springs, stickers and flashing lights for nighttime smiles. Measures approximately 14"L x 7"W x 3.5"H when assembled. Motor requires 3 "AAA" batteries, not included.