Elenco Teach Tech SolarBot.14, Transforming Solar Robot Kit, STEM Learning Toys for Kids 10+  (Multicolor)

"The SolarBot.14 is a unique bot that can be built and rebuilt into 14 different robots. The detailed instructions take you through each step. Your SolarBot.14 kit contains unique components and parts to build robots that operate on land water. With the included photovoltaic cell, these solar toys are completely solar-powered. No batteries required! Models are divided into two skill levels; Level One includes: Tortoise BOT, Bug BOT, Four BOT, Paddle BOT, Walker-BOT, K9BOT, and Big Wheeler BOT. Level Two contains more challenging builds: Tumbler BOAT, Car BOAT, Slinker BOAT, Surface BOAT, Monster BOAT, Crabby BOAT and Rowing BOAT. Elenco Teach products are based on STEM activities (Science, Technology, Engineering, Math) to teach and encourage kids in their development, all while having fun! All Teach Tech Green-Energy robots are powered by either water, wind, or sun, so there are no batteries required. Perfect for future engineers ages 10+."