Mega Mystery Box — 3 Full-Size Slimes + Surprise Bonus

Can’t decide which slime to grab? Let us surprise you.

The Slay Haus Mega Mystery Box is packed with 3 full-size 8 oz slimes handpicked from the Haus, plus 1 surprise bonus that could be a mini slime, extra slime, charms, clay piece, or another fun surprise — and an activator pen to keep your slimes fresh.

Every box is different, so you never know what you’re getting until you open it. 👀

✨ 3 full-size 8 oz slimes
✨ Mix of textures, scents & colors
✨ May include regular slimes, seasonal favorites & DIY kits
✨ 1 surprise bonus in every box
✨ Activator pen included
✨ Perfect for slime lovers who want a little bit of everything
✨ Available anytime — no subscription required

One box. Four surprises. Total Slay Haus chaos.

Mystery boxes are chosen at random. Specific slime requests cannot be guaranteed.