For ages 8+ years. Build a bubble-blowing robot! A motorized robot that spits out a continuous stream of bubbles? Yes, that about sums up the Bubble Robot science kit from Toysmith 4M. All the supplies necessary, including a motor and bubble solution, are packed into this fun, Kidz Lab building kit. Detailed instructions lead kids through all the steps necessary to make their very own, 6-inch-tall, Bubble Robot.