My girls are 6 and 5 years old, and they will not pull this over on themselves. It's not very heavy, but please make sure you do securely attach the nook to the wall if you have more playful children or younger crawlers. :) If you want to store the nook, the top 1x2x6 will slide out. You can loosen the top two bolts, and fold the tent up to a much smaller size. If you don't have 84" curtain panels, feel free to substitute 36"+ width fabric for the sides. You will need to hem your exposed…