Amazon currently has a $10 coupon for the Tiny Love Gymini Move and Play Activity Gym. It's already on sale for $50.81, so after the coupon you'll get it for just $40.81!
Just visit the Amazon Tiny Love Gymini product page, scroll down a bit and look for the $10 Amazon coupon that looks like the image above. Click the box to “clip” the coupon, and the discount will be applied at checkout.
Take a look at the Tiny Love Gymini reviews to get an idea if this is the gym you're looking for.