Bonsai made with Okashi" is available sequentially from Hart. The price is 300 yen per session (tax included).

Okashi de Tsukuru Bonsai

You can make an authentic bonsai with okashi! What a surprise! Real sweets are now available in gashapon form. This bonsai is made of sponge cake and soft candies, and is truly edible. You can decorate it with your favorite leaves and enjoy making a real bonsai. The lineup includes a total of four types.