Slimy discovery fun – Each of the 7 cm tall coffins contains sticky slime and one of six different skeleton collectible figures. When pressed, the coffin breaks open, revealing the figure and providing surprising slime fun with a collectible factor. Crushable – By crushing the coffin, it breaks into smaller pieces that mix with the slime and almost completely dissolve. Glows in the dark – The included skeletons glow in the dark, adding an extra surprise effect. The slime and the dissolving process make each figure a little experience with collectible character. Recommended for ages 5 and up – Ideal for children aged 5 and older who enjoy slime toys, surprise moments, and collectible figures. Simba - Elephant-strong play fun! The focus of product development is on children's enthusiasm. For boys and girls, big and small. Children should have fun and be encouraged.