This Kid's DIY Slime Kit, originally listed at $19.99, drops to $16.99 at Zen Laboratory via Amazon. Shipping is free on orders over $25, for Prime members, or by signing up for a free Prime trial. Otherwise, it adds $5.99. Other retailers are charging $33 or more for this kit. It includes 18 different colored slimes, three cutting/shaping utensils, two plastic straws, 12 vials of colored glitter, two bags of sugar paper, three bags of beads, and six bags of foam balls. Sales tax is charged in most states.