Horizon 20-in-1 Extreme Science

Conduct more than 20 experiments and simple chemical reactions, including fizzing and foaming eruptions, glowing worms, galactic spheres, and more. Kids can also experiment and create their own crazy concoctions.-finding skills.

Recommended Age: 8+

Easy returns
We want you to be thrilled with your purchase! That’s why we offer a 30-day return policy, which means you have 30 days after receiving your item to request a return. Learn more. Shipping
Orders ship USPS Priority Mail or UPS Ground, usually arriving in 3-7 business days. Shipping costs calculated at checkout. Expedited shipping is available for an additional fee. Shipping turnaround time is often within 24 hours. Learn more.