ESTONIAN DROODLES
6 variants

Question: Draw this envelope with one line without lifting the pen from the paper!
Answer:
Archive reference: RKM, KP 9. 309 (2)
Location: Tln Tallinna 7. Kk, 7. kl
Date: 1992
Subject: envelope
Question:
Answer: An envelope with one line
Archive reference: RKM II 445, 193 (9)
Location: Trm, Avinurme
Date: 1991
Subject: envelope
Question:
Answer: An envelope with one line
Archive reference: RKM, KP 11, 346 (1)
Location: Jõe, Viimsi Tallinna 7. Kk, 9. kl
Date: 1992
Subject: envelope
Question: To draw an open envelope with one line!
Answer:
Archive reference: RKM, KP 11, 495 (3)
Location: Tln Tallinna 7. Kk, 9. kl
Date: 1992
Subject: envelope
Question: Draw this figure without lifting the pen from it!
Answer:
Archive reference: RKM, KP 21, 66 (2)
Location: Han, Virtsu Virtsu Pk, 7. kl
Date: 1992
Subject: envelope
Question: Draw an envelope without lifting the pen from the paper and without repeating the lines!
Answer:
Archive reference: RKM, KP 9, 633 (2)
Location: Tln Tallinna 7. Kk, 8. kl
Date: 1992
Subject: envelope