Spacerails Level 6  -  Educational Toy - STEM Learning - Fun for Kids and Adults Ages 15 and Older BUILD YOUR OWN COASTER: Design a marble rollercoaster! With endless possibilities and hours of fun, this challenge will spark the minds of adults and kids ages 15 and up. YOU DESIGN IT: This ride has high-speed action consisting of multiple paths, loops, stunts and fun; then a battery- powered elevator brings it back again! Let your imagination create the ride! WHO IS IT FOR: People who love brainteasers and challenges will enjoy this mind blowing building toy! Makes a good alternative to board games or jigsaw puzzles for family game night. LET'S PLAY: Mental agility and building games can be a fun stress reliever, and can be a great social activity. Have fun with your children or just feel like a kid again and build your own coaster! SCIENCE TOY: Whether you are a budding brainiac or have a PhD, this STEM toy presents the challenges you crave. Exercise your mind, learn something new, and feel like a kid while you do it!