Features - Our huge springs come in bright rainbow colours, making them a major attraction for kids - girls and boys alike - they roll down the stairs for kids to enjoy - guaranteeing hours of fun! Uses - The springs make an ideal gift for birthdays and as a reward at school - it is a unique toy for children with special needs and children with autism, as a sensory toy - of a great help in classrooms. Quality - Our springs are made from strong materials, they are durable and made to last.