We love a good sale, especially if it's a sale on cool-but-expensive wooden toys from Melissa & Doug, HABA, and more of our favorite eco-friendly toysmiths. Gifted Imaginations is currently offering 20% off everything in its online store, plus free shipping on items over $65. I like this wooden treehouse, which looks like so much fun I'm pretty sure I'd play with it when my kid was out of the house.

 Coupon code 041769 gets you 20% off at Gifted Imaginations. Melissa & Doug wooden treehouse, $109.99, measures 35" by 27" by 42" when fully assembled.