Room for solutions:
Egg 01: Spatz by Bayrische Autowerke GmbH (BAG) (Julien1A)
Egg 02: Brütsch Rollera (pguillem)
Egg 03: Brutsch Avolette (aka Brütsch-Avolette) by Air Tourist (luisps)
Egg 04: Victoria prototype based on BAG Spatz (pnegyesi)
Egg 05: Brütsch Zwerg Einsitzer (Tom_I)
Egg 06: Brütsch Mopetta from 1956 (Facel)
Egg 07: Avolette 1956 by Air Tourist (SACO)
Egg 08: Brütsch Typ T / Eremit Cabriolet (Joao)
Egg 09: Brütsch 200 Spatz Coupé (luisps)
Egg 10: Belcar, second version with doors (luisps)
Egg 11: Brütsch Bussard (Allemano)
Egg 12: Brütsch 200 Spatz prototype (luisps)
Egg 13: Avolette 1957 by Air Tourist (barrett)
Egg 14: Brütsch R 400 (Allemano)
Egg 15: Brütsch Zwerg Zweisitzer with acrylic glass hardtop (pguillem)
Egg 16: Spatz with gullwing hardtop by Bayrische Autowerke GmbH (BAG) (pnegyesi)
Egg 17: Burgfalke FB 250 Export (luisps)
Egg 18: Brütsch Pfeil (SACO)
Egg 19: Brütsch V2N (luisps)
Egg 20: Brütsch 200 Spatz (barrett)
Egg 21: Super Jet, an attempt by Union Industrielle to sell the France Jet production to Spain (luisps)
Egg 22: France Jet 1100, built by The Lofstrand Company, Rockville, Maryland (luisps)
Egg 23: Brütsch Typ S (SACO)
Egg 24: Brütsch V2 (Tom_I)
Egg 25: Spatz Coupé prototype by BAG (Joao)
Egg 26: Brütsch K 400 (Facel)
Egg 27: Sprint, Swiss licence-built Brütsch Spatz by Max Schaer (luisps)
Egg 28: Spatz 200 Coupé by Spatz Fahrzeugbau Harald Friedrich (Facel)
Egg 29: Brütsch Zwerg II (luisps)
Egg 30: Victoria 250 Cabriolet prototype (pnegyesi)
Egg 31: France Jet, built in 1959 by Union Industrielle in France (sixtee5cuda)
Egg 32: Brütsch Zwerg Zweisitzer (pguillem)
Egg 33: Brütsch 1200 Coupé by Wendler (Joao)
Egg 34: Jet 175, built by Air Tourist (luisps)
Egg 35: Opelit by Georg von Opel (pguillem)
Egg 36: Rollera by Air Tourist (barrett)
Egg 37: Victoria 250 (Tom_I)
Egg 38: Progress Supreme Tourette (luisps)
Egg 39: Brütsch Mopetta 1958 (Tom_I)
Egg 40: Modern Microcars Mopetta (barrett)