“Professor Denjiro's Science Book” This item was purchased at Professor Denjiro's Science Show and has been stored at home. (Original price: 1,480 yen + tax) The contents have been checked, so it has been opened once. - Target age: 6 years old and up - Contents: Learn through science experiments and play Includes three deluxe extras that are ready to enjoy immediately without tools: ① Professor Denjiro's signature air cannon! ② Wiggle Dancer ③ Glitter Sheet Available for immediate purchase. Shipping will be via Mercari delivery, with anonymous shipping.