Based on this product's specifications, here are some alternatives and similar models
Bath Fizzing Slime Chlapu Chlap Unicorn with Cherry Scent
Summary description:
Chlapu Chlap bath fizzing slime 'Unicorn' is a bath additive with cherry scent designed to dissolve or fizz in water for sensory play and bath-time fun. Packaged as a scented slime, it adds fragrance and a playful texture to baths, suitable for children’s sensory bathing, creative play and relaxation under supervision.